​Chapter 1
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Adjectives as Nouns
Many adjectives can be used as nouns, to refer to people or things with a certain quality. Adjectives are used as nouns to avoid repetition. These nouns are declined by matching gender, case, and number and follow the same rule as adjective declension. When referring to people, adjectives take masculine or feminine forms. The neuter form is used for general or abstract ideas.
Examples:
Der Kleine schälft. (The little one is sleeping.)
Die Alten wohnen oft im Pflegeheim. (The elderly often live in nursing homes)

Quick Tip:  Remember to capitalize the adjective when it is used as a noun. All nouns in German are capitalized!
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N-Declension
The n-declension refers to a group of masculine nouns that have a weak declension pattern. These nouns decline differently from regular masculine nouns, taking an additional "-n" or "-en" in certain cases. The n-declension is typically used for masculine nouns that end in -e, -ant, -ent, -ist, often referring to people or professions.
Example:
Nominative: der Student, Accusative: den Studenten, Dative: dem Studenten, Genetive: des Studenten
Masculine nouns in the n-declension add -n or -en in all cases except nominative singular.
Example: 
Nominative: der Hase, Accusative: den Hasen, Dative: dem Hasen, Genetive: des Hasen

Quick Tip: For masculine nouns ending in -e, -ant, -ent, -ist, remember to add -n or -en in the accusative, dative, and genitive cases.

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Chapter 2
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Präteritum​
The German tense Präteritum is used to talk about completed actions and states in the past. It is mainly used in written German, such as in stories, reports, and formal texts. In spoken German, people usually use the Perfekt. However, the Präteritum is often used with “sein”, “haben”, and modal verbs.
The formation of the Präteritum differs depending on whether the verb is regular, irregular, or a mixed verb.

-Type 1: Regular Verbs
For regular verbs, the Präteritum is formed by removing the infinitive ending -en and adding the following endings: -te, -test, -te, -ten, -tet, -ten.
 

• ich spielte

• du spieltest

• er, sie, es spielte

• wir spielten

• ihr spieltet

• sie, Sie spielten
   

The stem of the verb does not change.
Example: spielen (to play)
Ich spielte, du spieltest, er/sie/es spielte, wir spielten, ihr spieltet, sie/Sie spielten

-Type 2: Irregular Verbs with Vowel Changes
For irregular verbs, the verb stem changes in the Präteritum. Irregular verbs change the stem vowel in the Präteritum.
Example: gehen (to go)
Ich ging, du gingst, er/sie/es ging, wir gingen, ihr gingt, sie/Sie gingen

-Type 3: Mixed Verbs: Both -te and Vowel Change
Mixed verbs combine characteristics of regular and irregular verbs. They change the vowel and use -te endings.
Example: bringen (to bring)
ich brachte, du brachtest, er/sie/es brachte, wir brachten, ihr brachtet, sie/Sie brachten

Quick Tip: The Präteritum serves to express actions and states that occurred in the past. While regular verbs adhere to a pattern with -te endings, irregular verbs change vowels, and mixed verbs exhibit characteristics of both. Remember that "sein" and "haben" are irregular, so you'll need to memorize them!

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Chapter 3
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Relative clauses in the dative case and with prepositions
Relative clauses add further information about a noun in the main phrase. The relative pronoun depends on the case required by the verb or the preposition. Relative pronouns in German alter depending on the noun's gender, number, and case.
Example:
masc. Der ist der Mann, dem ich geholfen habe. (This is the man whom I´ve helped.)
neut. Das ist das Mädchen, dem ich geholfen habe. (This is the girl whom I´ve helped.)
fem. Das ist die Dame, der ich geholfen habe. (This is the lady whom I´ve helped.)
plural. Das sind die Kunden, denen ich geholfen habe. (Those are the customers whom I´ve helped)
Quick Tip: Use dem (masculine/neuter), der (feminine) and denen (plural) in the Dative case when referring to people or things.
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Relative Clauses with Prepositions
Relative clauses can include prepositions to give more information about a noun. When a preposition is used, the relative pronoun comes after the preposition. The preposition decides the case of the relative pronoun.
Examples:
Das ist der Mann, mit dem ich gesprochen habe.
(This is the man with whom I´ve spoken.)
Das ist die Wohnung, in der ich wohne.
(This is the apartment in which I live.)
Das ist das Thema, über das wir diskutieren.
(This is the topic which we are discussing.)
Das sind die Freunde, mit denen ich reise.
(These are the friends with whom I am traveling.)

Quick Tip: The preposition always comes before the relative pronoun, and the pronoun must match the case required by the preposition.
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Chapter 4
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Conjunctions "obwohl" & "trotzdem"
​"Obwohl" (although) and "trotzdem" (nevertheless) are both used to express contrast or opposition. However, they are used differently and follow different word order.

Obwohl (although)
"Obwohl" is a subordinating conjunction that introduces a subordinate clause. It expresses a contrast between two actions or situations. The verb in the subordinate clause goes to the end.
Example:
Ich habe weitergearbeitet, obwohl ich müde war. (I continued working although I was tired) (main clause + subordinate clause)

Trotzdem (nevertheless)
"Trotzdem" is used in the main clause to express a contrast to a previously stated idea or an unexpected result. It is often placed at the beginning of the sentence and the verb stays in position 2.
Example:
Ich war müde. Trotzdem habe ich weitergearbeitet. (I was tired. Nevertheless, I continued working.) (connected main clauses)

​Quick Tip: Use "obwohl" to state a contrast and use a subordinate clause. Use ‘trotzdem’ for a surprising result in the main clause.
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Chapter 5
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Futur I
Futur I (future tense) is used to describe actions or events that will happen in the future. It can also be used to express predictions, intentions, promises, and other future meanings. Futur I is formed with the conjugated form of the verb werden + infinitive of the main verb. The infinitive goes to the end of the sentence. 
Example: Ich werde im Sommer eine Reise machen.

If the time is clear, German often uses the present tense for future events. Example: Morgen kaufe ich einen neuen PC. (Tomorrow I will buy a new computer.)

Futur I has different use cases:
Prediction/Supposition: Es wird morgen regnen. (It will rain tomorrow.)
Promise/Intention/Plan: Ich werde dir helfen. (I will help you.)

​Quick Tip: Use Futur I to talk about the future in terms of forecasts, cautions, promises, and plans. When the time period is obvious, the present tense is often used in everyday speech. However, Futur I stresses the future or adds urgency.
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Chapter 6
 
Conjunction "falls"
 
“Falls” (if / in case) is a subordinating conjunction used to talk about possible or uncertain situations. It introduces a subordinate clause, which means the verb goes to the end of the clause.
“Falls” is similar to “wenn”, but it is used when the situation is less certain or less likely.
Example:
Wir beginnen ohne ihn, falls er heute nicht kommt. (In case he doesn’t come today we will start without him.)
Falls du Hilfe brauchst, sag mir Bescheid. (If you need help, let me know.)

​​Quick Tip: Use "falls" instead of "wenn" when you want to emphasize uncertainty or a hypothetical condition!
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Chapter 7
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Infinitive with "zu" 
The infinitive with "zu" is used after certain verbs, nouns, and expressions to add extra information about an action. The zu + infinitive structure is placed at the end of the clause. 
Example: Es ist interessant, neue Sprachen zu lernen.

We use the infinitive with "zu" in the following scenarios:
1. After certain verbs: Some verbs are followed by "zu" and infinitive (e.g. empfehlen, sich vorstellen, raten, anfangen, aufhören, vergessen…) 
Example: Ich empfehle Ihnen, jeden Tag ein bisschen Deutsch zu üben. (I recommend practicing a little German every day.)
2. After haben + noun: Expressions with haben (e.g., Lust, Angst, Interesse) use "zu" + infinitive.
Example: Sie hat Lust, am Wochenende ans Meer zu fahren. (She would like to go to the sea on the weekend)
3. After "Es ist …" Expressions: Sentences with "Es ist…" are followed by "zu" + infinitive 
Example: Es ist nicht leicht, eine Entscheidung zu treffen. (It is not easy to make a decision.)
Es macht Spaß, Grammatik zu lernen. (It is fun to learn grammar.)

For separable verbs, "zu" is placed between the prefix and the verb in the infinitive form. The structure follows the pattern: prefix + zu + verb.
Example: Sie hat vergessen, das Licht auszumachen. (She forgot to turn off the light.)

​​​​Quick Tip: The infinitive with "zu" usually goes at the end of the sentence!
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Chapter 8
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Conjunctions "da", "während" & "bevor"
Conjunction"da"
The conjunction "da" (because/since) is used to express cause or reason. It is typically used in formal language or written German when the reason is already known or obvious. When used, the verb in the subordinate clause moves to the end.
Example: Max bleibt zu Hause, da er krank ist. (Max is staying at home because he is sick.)
Konjunktion "während"
The conjunction "während" (while, during) describes actions that happen before another action. The verb in the subordinate clause goes to the end.
Example: Sein Hund spielt im Garten, während er arbeitet. (His dog plays in the garden, while he works.)
Konjunktion "bevor"
The conjunction "bevor" (before) is used to express actions that happen before something else. The verb in the subordinate clause goes to the end.
Example: Ich trinke Kaffee, bevor ich zur Arbeit fahre. (I drink coffee, before I go to work.)

​Quick Tip: Use "da" when the reason is known or obvious, "während" for simultaneous actions, and "bevor" for actions happening before others. In all cases, the verb in the subordinate clause goes to the end!

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Chapter 9
 
Adjective declension with comparative and superlative​
Adjectives in the comparative and superlative forms must be declined according to case, gender, and number of the noun they modify.

Comparative: kleiner (smaller)
There are two forms of the superlative: am kleinsten (the smallest) - used with verbs
der, die, das kleinste (the smallest) - used before nouns

Examples for masculine nouns:
masculine (der Stuhl)
Nominative comparative: der kleinere Stuhl, ein kleinerer Stuhl
Nominative superlative:  der kleinste Stuhl
Accusative comparative: den kleineren Stuhl, einen kleineren Stuhl
Accusative superlative: den kleinsten Stuhl

Dative comparative: dem kleineren Stuhl, einem kleineren Stuhl
Dative superlative: dem kleinsten Stuhl
 
Quick Tip: In the comparative and superlative, comparative and superlative adjectives are declined like normal adjectives.
​
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Chapter 10​

Subjunctive II past tense
The Konjunktiv II Vergangenheit (past subjunctive) is used to express hypothetical situations, unreal conditions, or regrets about the past. It describes actions in the past that did not happen. It is formed with hätte or wäre and the past participle.
Example: Ich hätte das gewusst. (I would have known that.)               
Ich wäre früher gegangen. (I would have gone earlier.)
Use Cases:
1. Hypothetical situations in the past: Used when imagining what could have happened in the past, but didn’t.
Example: Ich hätte das Geld genommen. (I would have taken the money.)
2. Regrets about the past: Used to express regret about something that didn’t happen.
Example: Er hätte das besser gemacht. (He would have done it better.)
3. Contrary to reality in the past: Used for situations that were not true in the past (unreal situations).
Example: Wenn ich mehr Zeit gehabt hätte, wäre ich gekommen. (If I had had more time, I would have come.)​

Quick Tip: Use "haben" for most verbs, use "sein" for verbs that indicate movement or a change of state (like in Perfekt).

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Chapter 11
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Plusquamperfekt with haben and sein
The Plusquamperfekt (past perfect) is used to describe an action that happened before another past event. It is often used in storytelling or to clarify sequences in the past.
It is formed with ‘hatte’ or ‘war’ + past participle.

Example: Sie hatte die Tür geschlossen (She had closed the door.)               
Ich war früh aufgestanden. (I had got up early.)
Use Cases:
1. Describing a past action that happened before another action in the past
Example: Nachdem ich gegessen hatte, ging ich ins Bett.(After I had eaten, I went to bed.)
2. Clarifying sequences in the past
Example: Er war schon gegangen, als ich ankam. (He had already left when I arrived.)​

Quick Tip: For most verbs, use "haben," while for verbs that change state or move, use "sein." The Plusquamperfekt often shows that one action happened before another action in the past.

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Conjunction "nachdem"
The conjunction „nachdem“ (after) is used to describe an action that happened before another action in the past. The verb in the „nachdem“ clause is usually in the Plusquamperfekt, while the main clause is in the Präteritum or Perfekt.
Example: Nachdem ich mir die Zähne geputzt hatte, ging ich schlafen. (After I had brushed my teeth, I went to sleep.)               
Ich ging schlafen, nachdem ich mir die Zähne geputzt hatte. (I went to sleep, after I brushed my teeth.)​

Chapter 12 

Genitive​
The genitive shows possession (who something belongs to).
It answers the question “Wessen?” (Whose?).
Masculine and neuter nouns usually add -s or -es.

Example: Das Fahrrad meines Bruders ist neu. / Die Schuhe meines Mannes sind alt.
The genetive cases changes articles and declension of nouns, adjectives and possesive pronouns.
Exampes: 
Maskulin (der Betriebsrat)
Genitiv mit definitem Artikel / Demonstrativartikel: des/dieses Betriebsrats
Genitiv mit indefinitem Artikel / Possessivartikel: eines/unseres Betriebsrats
Neutrum (das Jahr)
Genitiv mit definitem Artikel / Demonstrativartikel: des/dieses Jahres
Genitiv mit indefinitem Artikel / Possessivartikel: eines Jahres
Feminin (die Betriebsvereinbarung)
Genitiv mit definitem Artikel / Demonstrativartikel: der/dieser Betriebsvereinbarung
Genitiv mit indefinitem Artikel / Possessivartikel: einer/unserer Betriebsvereinbarung
Plural (die Umbauarbeiten)
Genitiv mit definitem Artikel / Demonstrativartikel: der/dieser Umbauarbeiten
Genitiv mit Possessivartikel / Alternative mit „von“: unserer Umbauarbeiten/von Umbauarbeiten

​Quick Tip: The genitive case is commonly used in formal written German but is less frequent in spoken language. Pay attention to the articles and endings used based on number and gender.
In spoken German, “von + Dativ” is often used instead of the genitive.

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Preposition "trotz"
The preposition "trotz" (despite) is used to express contrast or contradiction. It is followed by the Genitiv case.
Example: Trotz des schlechten Wetters gehe ich spazieren. (Despite the bad weather, I go for a walk.)

Quick Tip: The genitive is more common in written German.

Chapter 13
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Conjunctions and adverbials: deshalb, darum, deswegen, daher, aus diesem Grund, nämlich
Adverbs of result and reason; These adverbs show a result (what happens next) and answer the question „Warum?“ (Why?). They are usually placed at the beginning of a main clause.

-Deshalb, darum, deswegen, daher (therefore, that’s why, thus)
These words are synonymous and introduce a consequence of a previously stated reason.
Example: Max muss am Freitag arbeiten. Deshalb/Darum/Deswegen/Daher kann er nicht kommen. (Max has to work on Friday. Therefore/That's why/Thus he can't come.)
-Aus diesem Grund (for this reason)
This phrase is slightly more formal and is commonly used in written German.
Example: Das Unternehmen hat finanzielle Probleme. Aus diesem Grund müssen Mitarbeiter entlassen werden. (The company has financial problems. For this reason, employees have to be laid off.)
-nämlich (because, namely, you see)
“Nämlich” gives a reason and stays in the middle of the sentence. Unlike the others, nämlich does not start a new clause; it is often placed after the verb.
Example: Max kann nicht kommen. Er muss nämlich am Freitag arbeiten. (Max can't come. You see, he has to work on Friday.)

​Quick Tip: Use "deshalb," "darum," "deswegen," "daher", "aus diesem Grund" to introduce a consequence. They behave like adverbs and typically stand at the beginning of the main clause. "Nämlich" is different: it stays inside the sentence and explains a reason.

Preposition "wegen"
“Wegen” is used to give a reason and is followed by the genitive.
Example: Wegen des schlechten Wetters bleiben wir zu Hause. (Because of the bad weather, we are staying at home.)
Quick Tip: In spoken German, “wegen” is often used with the dative. Use deshalb, darum, deswegen, daher, aus diesem Grund to show a result.
“Nämlich” gives a reason and stays in the middle of the sentence.

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​Chapter 14
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Present and perfect participles as adjectives​
A participle is a form derived from the verb. Present participles and past participles can function as adjectives to describe nouns. They follow standard adjective declension rules.
1. Present Participle as an Adjective
The present participle is formed by adding -d to the verb (e.g. singen → singend), and describes an ongoing or active characteristic.

Infinitive + d + adjective ending
Example: die singende Frau (the singing woman) → Frau, die gerade singt 
                 ein brennendes Haus (a burning house) → Haus, das gerade brennt

2. Past Participle as an Adjective
The past participle describes something completed or the result of an action
Past participle + adjective ending
Example: der verlorene Schlüssel (the lost key) → Schlüssel, der verloren ist
                ein gebrochenes Herz (a broken heart) → Herz, das gebrochen ist

​​Quick Tip: Both forms are declined like normal adjectives.
Present participles describe ongoing actions, past participles describe completed actions.

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Chapter 15
 
Passive Voice
The passive voice in the present tense is used when the focus is on the action, not the person. It is formed with ‘werden’ + past participle.
Example:  

• Active: Ich schreibe den Brief. (I write the letter.)  

• Passive: Der Brief wird geschrieben. (The letter is written.)  

The person (who does the action) is often not mentioned.You can add the person with ‘von’ + dative.
Example: Der Brief wird von mir geschrieben. (The letter is being written by me.) 

​Quick Tip: Use the passive when the action is more important than the person.
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Chapter 16
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nicht/nur brauchen + Infinitiv mit zu
​The construction "nicht/nur brauchen + Infinitiv mit zu" is used to express that something is not necessary or that only one thing is required. This construction is often used in the past, but can also be used in the present

Nicht brauchen + Infinitiv mit zu
Means that something is not necessary.
Example: Im Haushalt brauchte ich in den Jahren vor dem Abitur nicht zu helfen. (In the household, I didn't need to help in the years before the Abitur.)

Nur brauchen + Infinitiv mit zu
Indicates that only one thing is needed.
Example: Ich brauchte nur mein Zimmer in Ordnung zu halten. (I only needed to keep my room clean.)
Ich brauche nicht zu arbeiten.
Ich brauche nur zu lernen.

​​Quick Tip: Use ‘nicht brauchen’ when something is not necessary.
Use ‘nur brauchen’ when only one thing is necessary.
​
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Chapter 17
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Expressions with "es"
The pronoun "es" is commonly employed in impersonal statements. These expressions are common in German.
Here are some use cases of constructions with es:
Fixed expressions:
Es ist schwierig/nicht leicht... (It is difficult/not easy...)
Es lohnt sich. (It is worth it)
Time of day and seasons:
Es ist schon Abend/Nacht (It’s already evening/night)
Es ist Sommer/Winter (It’s summer/winter)
Weather:
Es schneit/regnet (It’s snowing/raining)
Es ist sonnig/neblig (It’s sunny/foggy)
Expressing wellbeing:
Wie geht es Ihnen? (How are you?)
Es geht ihr nicht gut (She is not doing well)
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Quick Tip: Es’ is used when there is no real subject (e.g. weather, time, feelings). ‘Es’ does not refer to a person or thing. It is just a placeholder.
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Chapter 18

Two-part conjunctions: weder ... noch, entweder ... oder, zwar ... aber
1. "weder ... noch" (neither ... nor)
This combination serves to negate two things. It connects two negative elements.
Example: Er spricht weder Englisch noch Französisch. (He speaks neither English nor French.)

2. "entweder ... oder" (either ... or)
It is used to present a choice between two options. It indicates two possible alternatives.
Example: Entweder gehen wir ins Kino oder wir bleiben zu Hause. (Either we go to the cinema or stay at home.)

3. "zwar ... aber" (indeed ... but/ true ... but)
This conjunction contrasts two elements. It emphasizes that while one portion of the statement is accurate, the second part contrasts with the first.
Example: Er ist zwar krank, aber er geht zur Arbeit. (He is sick, but he still goes to work.)

Quick Tip: Use ‘weder…noch’ for negative pairs, ‘entweder…oder’ for choices, and ‘zwar…aber’ for contrast.

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Wordformartion: Noun Endings
German uses specific endings to form nouns from adjectives, verbs, and other nouns. These endings often change the meaning and the grammatical gender of the word.

Adjective + -heit / -keit
The endings -heit and -keit are used to form abstract nouns from adjectives. These nouns usually describe qualities or states. To form the noun, add -heit or -keit to the adjective. These nouns are always feminine (die). 
Examples:
frei  + heit → die Freiheit. (freedom)
dankbar + keit → die Dankbarkeit (gratitude)

Adjective + -ismus
The ending -ismus forms abstract nouns that often describe ideas, movements, or systems. To form the noun, add -ismus to the adjective stem. These nouns are masculine (der).
Examples:
tour-istisch + ismus → der Tourismus (tourism)
aktiv → der Aktivismus (activism)

Noun + -ler
The ending -ler is used to describe a to describe a person (e.g. job, activity, or field). To form the noun, add -ler to the base of the noun. These nouns are masculine (der).
Examples:
der Sport → der Sportler (althlete/sprortsman)
die Wissenschaft → der Wissenschaftler (scientist)

Verbs ending in -ieren + -ant / -ent
Many verbs ending in -ieren form nouns describing a person by replacing -ieren with -ant or -ent. These nouns are usually masculine (der).

Examples:
demonstrieren → der Demonstrant (demonstrator/protester)

Quick Tip: Nouns ending in -heit and -keit are always feminine.
Nouns ending in -ismus, -ler, -ant, and -ent are usually masculine.

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Chapter 19

Two-part conjunctions: je ... desto/umso
"je ... desto/umso" (the more ... the more)
This conjunction is used to express a relationship between two things where one thing changes as the other changes.

The structure is: je + comparative (subordinate clause) + desto/umso + comparative (main clause)
Example:
Je mehr ich lerne, desto besser verstehe ich die Grammatik.. (The more I study, the better I understand the grammar.)

Quick Tip: ‘Je’ starts the first clause, ‘desto/umso’ starts the second.

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Modal particles: denn, doch, eigentlich, ja
Modal particles give subtle variations to a statement, affecting tone, politeness, and emphasis. They do not alter the basic meaning, but rather contribute to the communication of attitudes and expectations.

"denn" and "eigentlich" – Friendly Questions
"denn" and "eigentlich" make questions sound more natural and friendly rather than direct or demanding.
Example: Gibt es denn/eigentlich auch ein Heimatmuseum? (Is there actually a local history museum?)

"doch" – Friendly Requests and Encouragement
"doch" softens requests or suggestions, making them sound more encouraging rather than commanding.
Example: Auch Sie könnten doch zum Beispiel eine Patenschaft übernehmen. (You too could, for example, take on a sponsorship.)

"ja" – Referring to Shared Knowledge
"ja" is used when the speaker assumes the listener already knows the information. It reinforces something previously mentioned or generally known.
Example: "Ich habe Ihnen ja vorhin vom Naturschutzverein erzählt." (I told you earlier about the nature conservation association, you know.)

Quick Tip: Use „denn“ and „eigentlich“ to make questions sound more natural and friendly. Use „doch“ to soften requests or encourage someone. Use „ja“ when referring to shared or already known information. Modal particles change the tone of a sentence, not its grammar.
 

Chapter 20
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Conjunctions "indem" & "sodass"
"indem" (by, through)
The conjunction "indem" describes the way or method in which something happens. It introduces a subordinate clause, and the verb moves to the end.
Example: Er verbessert sein Deutsch, indem er jeden Tag übt. (He improves his German by practicing every day.)
​
"sodass" (so that, with the result that)
The conjunction "sodass" expresses a consequence or result of the main clause. It also introduces a subordinate clause, where the verb is placed at the end.
Example: Es regnete stark, sodass wir zu Hause bleiben mussten. (It rained heavily, so that we had to stay at home.)
​
Quick Tip: Use "indem" to describe how something happens and "sodass" to show a result.
​
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Chapter 21

Local and temporal prepositions "innerhalb" & "außerhalb"
1. Local Prepositions 
Local prepositions describe spatial relationships. Some require the Akkusativ, Dativ, or Genitiv case.
Example: 
-"um ... herum" (+ Akkusativ) → Expresses movement around something.
Wir gehen um den See herum. (We walk around the lake.)
-"an/am ... entlang" (+ Dativ) → Indicates movement along something.
Er spaziert am Fluss entlang. (He walks along the river.)

-"innerhalb/außerhalb" (+ Genitiv) → Specifies something inside or outside a boundary.
Example: Außerhalb des Gebäudes gibt es einen kleinen Garten. (There is a small garden outside the building.)

2. Temporal Prepositions innerhalb, außerhalb (+Genitiv)
"Innerhalb" and "außerhalb" can also be used as a temporal preposition. "Innerhalb" indicates that something happens within a specific time frame, while "außerhalb" shows that something occurs outside of it.
Example: Innerhalb eines Jahres hat sie Deutsch gelernt. (She learned German within a year.)
Example: Außerhalb der Geschäftszeiten sind Anrufe nicht möglich. (Calls are not possible outside business hours.)

Quick Tip: Use „um … herum“ for movement around something (+ Akkusativ) and „an/am … entlang“ for movement along something (+ Dativ). „Innerhalb“ and „außerhalb“ take the Genitive case and can describe both location and time.

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Present Passive with modal verbs
Modal verbs like müssen, dürfen, können, sollen, wollen are used in combination with the passive structure to express necessity, permission, possibility, or obligation in the present tense.
Structure: Conjugated modal verb + Perfekt participle + werden
Example: Das Buch muss gelesen werden. (The book has to be read.)
Die Hausaufgaben müssen gemacht werden. (The homework has to be done.)

Quick Tip: In the present passive with modal verbs, use: modal verb + past participle + werden (e.g., Das Buch muss gelesen werden).

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Chapter 22

Passive Perfekt & Präteritum
1. Passiv Perfekt
The Passiv Perfekt is used to describe prior activities, emphasizing the action rather than the topic. It is composed of the auxiliary verb "sein" in the Perfekt tense and the past participle of the verb werden.
Structure: sein + past participle of the main verb + past participle of werden
Example: Das Auto ist repariert worden. (The car has been repaired.)

2. Passiv Präteritum
The past passive is used to describe acts that occurred in the past, emphasizing the action itself. It is constructed with the auxiliary verb "werden" in both the simple past and the past participle of the main verb.
Structure: werden (Präteritum) + past participle of the main verb
Example: Das Problem wurde gelöst. (The problem was solved.)

Quick Tip: Use "sein" and "werden" for Passiv Perfekt and "werden" for Passiv Präteritum.

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Chapter 23

Conjunctions "(an)statt/ohne ... zu" & "(an)statt/ohne dass"
1. "(an)statt/ohne ... zu" (instead of.../without...)
The conjunction "(an)statt ... zu" is used to express an alternative action or decision. It is followed by an infinitive with "zu".
Example: Er geht ins Fitnessstudio, statt zu Hause zu bleiben. (He goes to the gym instead of staying at home.)
Er hat das Zimmer verlassen, ohne etwas zu sagen. (He left the room without saying anything.)

2. "(an)statt/ohne ... dass" (instead of.../without...)
The conjunction "(an)statt ... dass" also expresses an alternative action but is followed by a full subordinate clause, where the second part contains a subject and verb. 
Example: Er ging joggen, statt dass er das Auto nahm. (He went jogging instead of taking the car.)
Er verließ das Haus, ohne dass er sein Handy nahm. (He left the house without taking his phone.)

Quick Tip: Use "(an)statt ... zu" to express alternatives with an infinitive, and "(an)statt ... dass" for alternatives with a full subordinate clause.

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Chapter 24
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Conjunctions: damit, um ... zu, als ob
1. Concjunction "damit" (so that)
"Damit" expresses a goal or purpose and is followed by a subordinate sentence. When the subject of the main and subordinate clauses is the same, you can only use "damit."
Example: Sie sparte viel Geld, damit sie ein neues Auto kaufen konnte. (She saved a lot of money so that she could buy a new car.)
2. Conjunction "um ... zu" (in order to)
"Um ... zu" is used when the subject in the main and subordinate clause is the same. It is followed by the infinitive form of the verb.
Example: Sie lernt jeden Tag, um ihre Prüfung zu bestehen. (She studies every day in order to pass her exam.)
3. Conjunction "als ob" + Konjunktiv II (Unreal Comparison)
The conjunction "als ob" is used to create unreal comparisons or hypothetical situations. It is followed by the Konjunktiv II form of the verb, which expresses something that is imagined or not true.
Structure: Main clause + als ob + Konjunktiv II (subordinate clause)
Example: Er verhält sich, als ob er der Chef wäre. (He behaves as if he were the boss.)
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Quick Tip: Use "als ob" to compare unreal situations or hypotheticals. The verb in the subordinate clause must be in Konjunktiv II.
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