B1 Case System 14 min read Medium

The Classic Genitive: Showing Possession (-es)

Use Genitive to show possession with style, using des or der to sound more formal and precise.

Grammar Rule in 30 Seconds

The Genitive case shows possession or relationship by adding -s or -es to masculine and neuter nouns.

  • Add -s or -es to masculine/neuter nouns: 'Das Auto des {Mann|m}es'.
  • Feminine and plural nouns use 'der' as the article: 'Das Buch der {Frau|f}'.
  • Use the Genitive to show ownership instead of 'von + Dative'.
Owner (Genitive) + Object

Overview

The German case system is the bedrock of its grammar, shaping how words relate to one another within a sentence. While you may have already encountered the Nominative (for the subject) and Accusative (for the direct object), the Genitive case (der Genitiv) serves a unique and crucial function: it primarily expresses possession or a close relationship. It's the grammatical tool German uses to answer the question Wessen? (Whose?).

In English, this is often handled with an apostrophe-s (the man's book) or the preposition 'of' (the color of the sky). German formalizes this relationship directly onto the nouns and their articles.

For a beginner, the most important function of the Genitive is to show ownership. Think of it as a formal, grammatical way of linking two nouns, where one noun 'belongs' to or is an attribute of the other. For example, in the phrase das Auto des Mannes (the man's car), the Genitive case—marked by the article des and the -s ending on Mann—tells you that the car belongs to the man.

It creates a precise, self-contained unit of meaning. While modern spoken German often uses an alternative structure (von + the Dative case), the Genitive is indispensable in written language, formal speech, and countless fixed expressions. Understanding it, even at a basic level, unlocks a more sophisticated and authentic comprehension of the language.

At the A1 level, your primary goal is to recognize the classic Genitive pattern, particularly as it applies to masculine and neuter nouns, which are the only ones that take a special ending. This pattern involves a change in the article and the addition of an -s or -es to the possessing noun. Mastering this foundational concept is not just about learning a grammar rule; it's about understanding the logic of how German builds relationships between ideas, a principle that will reappear across all aspects of the language.

How This Grammar Works

The fundamental purpose of the Genitive case is to make one noun modify another, establishing a relationship of possession, origin, or attribute. When you see a noun in the Genitive, it is providing specific information about another noun in the sentence. The noun in the Genitive is the 'possessor' or 'origin', and the other noun is the 'possessed' or 'defined' item.
This relationship is shown through declension—a process where articles and noun endings change to reflect their grammatical role.
The core structure you'll encounter is: [Noun 1: The Thing Possessed] + [Noun 2: The Possessor in the Genitive Case]. The second noun phrase is what contains the Genitive signals. Let's deconstruct a classic example: die Tasche meiner Mutter (my mother's bag).
Here, die Tasche is the thing possessed. The phrase meiner Mutter is the Genitive component. The determiner meine changes to meiner to signal 'Genitive, feminine'.
The noun Mutter does not change because feminine nouns do not take an ending in the Genitive. The entire phrase meiner Mutter acts as a single descriptive block that specifies whose bag it is.
Now, let's look at the pattern this article focuses on, which involves masculine and neuter nouns. Consider das Büro des Chefs (the boss's office).
  • das Büro is the 'thing possessed'. It can be in any case required by the sentence (here, Nominative or Accusative).
  • des Chefs is the 'possessor' phrase, and it is in the Genitive. Notice two changes: the definite article der (for der Chef) becomes des, and the noun Chef gains an -s. These two changes are the unmistakable flags of the masculine Genitive case. This system provides clarity by packaging the possessive information directly with the noun, making the sentence structure logical and unambiguous.
This grammatical mechanism is a feature of a more inflected language, where word endings carry significant meaning, as opposed to a language like English that relies more heavily on word order and prepositions. The Genitive shows a direct, intrinsic link between two concepts without needing an extra word like 'of'. It is considered more elegant and concise in formal contexts.
Die Entscheidung des Gerichts (the decision of the court) feels more formal and definitive than the conversational alternative, die Entscheidung von dem Gericht.

Formation Pattern

1
To form the Genitive case correctly, you need to modify two things: the article (or determiner) preceding the noun and, for masculine and neuter nouns, the noun itself. Feminine and plural nouns do not get a special ending, making them simpler in that regard.
2
1. Article and Determiner Declension (Genitive Case)
3
The article is the first and most important signal. All articles and determiners (like mein, kein, dieser) change in the Genitive. The endings are consistent.
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| Case | Masculine | Feminine | Neuter | Plural |
5
|---|---|---|---|---|
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| Nominative | der / ein | die / eine | das / ein | die / keine |
7
| Genitive | des / eines | der / einer | des / eines | der / keiner |
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Notice that masculine and neuter forms are identical in the Genitive (des/eines), and feminine and plural forms are also identical (der/keiner). Possessive determiners like mein, dein, sein, etc., take the exact same endings. For example, mein Bruder der becomes meines Bruders, and deine Schwester die becomes deiner Schwester.
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2. Masculine and Neuter Noun Endings (-s or -es)
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This is the central part of the rule. When a masculine or neuter noun is in the Genitive case, you must add an ending to the noun itself. The choice between -s and -es depends on the noun's structure and sound.
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The Rule for -es: Add -es when the noun:
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Is a single syllable. This is a very strong tendency, though exceptions exist.
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der Mann derdes Mannes (of the man)
14
das Kind dasdes Kindes (of the child)
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das Jahr dasdes Jahres (of the year)
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Ends in an s-sound: -s, -ss, , -x, -z, -sch or -tz. The extra e is necessary for pronunciation.
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der Fluss derdes Flusses (of theriver)
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das Glas dasdes Glases (of the glass)
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der Platz derdes Platzes (of the square)
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The Rule for -s: Add -s for most other masculine and neuter nouns, especially:
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Nouns with multiple syllables, especially those ending in unstressed vowels or suffixes like -er, -el, -en, -ling, or -ig.
22
der Lehrer derdes Lehrers (of the teacher)
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der Apfel derdes Apfels (of the apple)
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das Mädchen dasdes Mädchens (of the girl)
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Nouns ending in a vowel (except -e which is often part of an unstressed syllable) or a diphthong.
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das Auto dasdes Autos (of the car)
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der Bau derdes Baus (of the building)
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Summary Table for Noun Endings:
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| Noun Type | Genitive Ending | Example (Nominative → Genitive) |
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|---|---|---|
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| Masculine (multi-syllable) | -s | der Computerdes Computers |
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| Masculine (single-syllable) | -es | der Tagdes Tages |
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| Neuter (multi-syllable) | -s | das Fensterdes Fensters |
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| Neuter (single-syllable) | -es | das Buchdes Buches |
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| Nouns ending in s-sound | -es | der Busdes Busses |
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| Feminine Nouns | (no ending) | die Frauder Frau |
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| Plural Nouns | (no ending) | die Kinderder Kinder |
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Remember, feminine and plural nouns are simpler: only their article changes. die Farbe der Wand (the color of the wall), die Spielzeuge der Kinder (the toys of the children).

When To Use It

The Genitive case is versatile, but its uses fall into a few key categories. At this stage, focus on recognizing it in these contexts.
1. Direct Possession or Ownership
This is the most straightforward use. It connects an owner to an object. It's the equivalent of the English apostrophe-s.
  • Das ist der Hund meines Nachbarn. (That is my neighbor's dog.)
  • Die Blätter des Baumes sind grün. (The leaves of the tree are green.)
  • Ich habe das Handy des Schülers gefunden. (I found the student's cell phone.)
2. Attributive Relationships (Part of a Whole)
Often, the relationship isn't strict ownership but shows that one noun is a feature, part, or characteristic of another. This is common in descriptions and titles.
  • der Titel des Films (the title of the film)
  • der Anfang der Geschichte (the beginning of the story)
  • die Mitte des Raumes (the middle of the room)
3. With Certain Prepositions
This is a more advanced but very important rule. Some German prepositions automatically require the noun that follows them to be in the Genitive case. You don't need to master all of them now, but you should be aware of them. Common ones include:
  • während (during): während des Unterrichts (during the lesson)
  • trotz (despite): trotz des schlechten Wetters (despite the bad weather)
  • wegen (because of): wegen des Streiks (because of the strike)
  • (an)statt (instead of): statt eines Kaffees (instead of a coffee)
4. Formal vs. Informal Usage: Genitive vs. von + Dative
The Genitive case belongs to a more formal register of German. In everyday, spoken conversation, native speakers very often substitute the Genitive with von followed by the Dative case. Both are grammatically correct, but they carry a different tone.
| Genitive (Formal, Written) | von + Dative (Informal, Spoken) |
|---|---|
| Das Auto des Direktors ist neu. | Das Auto vom Direktor ist neu. |
| Der Geruch des Kaffees ist gut. | Der Geruch vom Kaffee ist gut. |
| Die Meinung meiner Kollegin ist wichtig. | Die Meinung von meiner Kollegin ist wichtig. |
Note: vom is a contraction of von dem.
As a learner, it's perfectly fine to use the von construction in conversation. However, you must be able to understand the Genitive when you read it in books, news articles, official documents, and emails.

Common Mistakes

Learners often find the Genitive tricky at first. Here are some of the most common errors and how to avoid them.
1. Forgetting the Noun Ending (-s/-es)
A frequent mistake is to correctly change the article to des but forget to add the ending to the masculine or neuter noun. The article and noun ending work together as a team.
  • Incorrect: *Das Fahrrad des Kind.
  • Correct: Das Fahrrad des Kindes. (Neuter, single-syllable noun needs -es.)
  • Why it happens: English doesn't add endings in this way ('of the child'), so it's an extra step that's easy to forget.
2. Adding an -s to Feminine or Plural Nouns
After learning the rule for masculine and neuter nouns, some learners over-generalize and try to add an -s to everything. Feminine and plural nouns never take a Genitive -s.
  • Incorrect: *Die Tasche der Fraus.
  • Correct: Die Tasche der Frau. (The article der already marks it as Genitive feminine.)
  • Incorrect: *Die Autos der Mannes.
  • Correct: Die Autos der Männer. (The article der marks it as Genitive plural; the noun Männer is already plural.)
3. Using the Wrong Ending: -s vs. -es
The choice between -s and -es can be confusing. The most critical rule is to use -es after an s-sound to make it pronounceable.
  • Incorrect: *Der Preis des Hauss.
  • Correct: Der Preis des Hauses. (Ends in -s, must get -es.)
  • Incorrect: *Die Rede des Chefes. (While not a critical error, sounds a bit unnatural for a multi-syllable word.)
  • Better: Die Rede des Chefs. (Multi-syllable noun usually takes just -s.)
4. Confusion with Proper Names
Proper names have their own simple rule, which is actually very similar to English. You add an -s directly to the name. You do not use a Genitive article.
  • Incorrect: *Das Auto des Peter.
  • Correct: Peters Auto. (Peter's car.)
  • If the name already ends in an s-sound (like Max, Ines, Andreas), you add an apostrophe instead of another 's'.
  • Correct: Max' Fahrrad. (Max's bike.)
  • Incorrect: *Maxs Fahrrad.

Real Conversations

While the Genitive is more common in writing, you will hear it. More importantly, you'll see how it's often replaced by von + Dative in casual contexts. Understanding this distinction is key to sounding natural.

S

Scenario 1

Making plans via text

- Lena: Wann ist der Anfang vom Film? (When is the beginning of the film?)

- Note: She uses vom Film (Dative), the common conversational choice. Anfang des Films would sound overly formal in a text.

- Tom: Warte, ich schau auf der Webseite des Kinos. (Wait, I'm looking at the cinema's website.)

- Note: Tom uses der Webseite des Kinos (Genitive). This is very common for established entities or in slightly more structured phrases, even in conversation. 'Website of the cinema' is a fixed concept.

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Scenario 2

At the office (Email)

- Subject: Protokoll des Meetings vom 3. März (Minutes of the meeting of March 3rd)

- Body: Anbei finden Sie das Protokoll des Meetings. Die Ergebnisse der Diskussion sind auf Seite 2 zusammengefasst. (Attached you will find the meeting's minutes. The results of the discussion are summarized on page 2.)

- Note: Business communication almost always uses the formal Genitive. des Meetings and der Diskussion are standard. Using von here would seem unprofessional.

S

Scenario 3

Casual conversation about family

- Das ist das neue Fahrrad von meinem Sohn. (That's my son's new bike.)

- You ask: Ist das das Fahrrad deines Sohnes? (Is that your son's bike?)

- Note: Both are correct. The first speaker chose the more common von. You, as a learner practicing the Genitive, can absolutely use the formal version. It might sound a little 'bookish' but is perfectly understandable and grammatically sound.

S

Scenario 4

News Headlines

Headlines and news reports are a Genitive hotspot because they need to be dense and formal.

- Die Folgen des Klimawandels (The consequences of climate change)

- Die Rede des Bundeskanzlers (The Chancellor's speech)

Quick FAQ

Q: Can I just always use von + Dative and ignore the Genitive?

For speaking, you can get by with von + Dative in many casual situations, and you will sound quite natural. However, you absolutely cannot ignore the Genitive. It's essential for reading (books, news, signs, emails) and for writing in any formal or professional context. To progress beyond a basic level, you must master it.

Q: Why don't feminine and plural nouns get an -s ending? It feels inconsistent.

It's a result of linguistic history. Old German had more complex Genitive endings for all genders. Over centuries, these endings were simplified or dropped. For feminine and plural nouns, the ending disappeared completely, leaving the article (der) as the sole marker of the Genitive case. Masculine and neuter nouns just happened to retain their -s ending.

Q: What about names? You said Peters Auto, but can I say das Auto von Peter?

Yes, absolutely. Peters Auto and das Auto von Peter are both extremely common and interchangeable in everyday speech. The version with the -s on the name is slightly more concise. The only truly incorrect form for a name is trying to force it into the standard article-based Genitive: *das Auto des Peter is wrong.

Q: I've seen the Genitive phrase come before the noun, like des Vaters neues Auto. Is this correct?

This structure, known as the 'Saxon Genitive', is grammatically correct but is considered more literary, formal, or even slightly archaic. It's often used for emphasis or stylistic flair. As a learner, you should stick to the standard post-noun position: das neue Auto des Vaters. Master the standard form first; you will absorb the nuances of the pre-posed Genitive naturally as you read more.

Q: How do I know for sure if a single-syllable noun takes -s or -es?

The rule of thumb is that single-syllable nouns strongly prefer -es (des Mannes, des Kindes). However, you might occasionally see modern or quicker usage with just -s (des Manns). When in doubt, especially in formal writing, using -es for single-syllable masculine and neuter nouns is always the safer, more traditional, and more respected choice.

Genitive Article Declension

Gender Article Noun Ending
Masculine
des
-s / -es
Neuter
des
-s / -es
Feminine
der
none
Plural
der
none

Common Genitive Contractions

Full Shortened
des Tages
des Tages (no common contraction)
des Kindes
des Kindes (no common contraction)

Meanings

The Genitive case indicates possession, belonging, or partitive relationships between nouns.

1

Possession

Indicating ownership of an object.

“Das Handy des {Schüler|m}s.”

“Die Tasche der {Lehrerin|f}.”

2

Partitive

Indicating a part of a whole.

“Ein Glas des {Wein|m}es.”

“Ein Teil des {Plan|m}es.”

3

Prepositional

Used after specific formal prepositions like 'während' or 'wegen'.

“Wegen des {Regen|m}s.”

“Während der {Reise|f}.”

Reference Table

Reference table for The Classic Genitive: Showing Possession (-es)
Form Structure Example
Masculine
des + Noun + s/es
des {Tisch|m}es
Neuter
des + Noun + s/es
des {Kind|n}es
Feminine
der + Noun
der {Frau|f}
Plural
der + Noun
der {Leute|pl}
Proper Name
Name + s
{Peter|m}s Auto
Preposition
wegen + Genitive
wegen des {Regen|m}s

Formality Spectrum

Formal
Das Auto des {Mann|m}es.

Das Auto des {Mann|m}es. (Describing ownership)

Neutral
Das Auto des {Mann|m}es.

Das Auto des {Mann|m}es. (Describing ownership)

Informal
Das Auto von dem {Mann|m}.

Das Auto von dem {Mann|m}. (Describing ownership)

Slang
Die Karre vom {Typ|m}.

Die Karre vom {Typ|m}. (Describing ownership)

Genitive Case Map

Genitive Case

Masculine

  • des {Mann|m}es of the man

Feminine

  • der {Frau|f} of the woman

Examples by Level

1

Das ist das Buch des {Kind|n}es.

This is the child's book.

2

Das ist die Tasche der {Frau|f}.

This is the woman's bag.

3

Das ist der Hund des {Mann|m}es.

This is the man's dog.

4

Das ist das Auto der {Leute|pl}.

This is the people's car.

1

Wegen des {Regen|m}s bleiben wir zu Hause.

Because of the rain, we are staying home.

2

Während der {Reise|f} habe ich viel gelesen.

During the trip, I read a lot.

3

Das Haus des {Arzt|m}es ist alt.

The doctor's house is old.

4

Die Farbe des {Himmel|m}s ist blau.

The color of the sky is blue.

1

Trotz des {schlecht|adj}en {Wetter|n}s sind wir gewandert.

Despite the bad weather, we went hiking.

2

Die Entwicklung des {Projekt|n}es dauert lange.

The development of the project takes a long time.

3

Die Meinung der {Experten|pl} ist wichtig.

The experts' opinion is important.

4

Statt des {Kaffee|m}s trinke ich Tee.

Instead of the coffee, I drink tea.

1

Infolge des {Sturm|m}es wurden alle Flüge gestrichen.

Due to the storm, all flights were cancelled.

2

Das ist der Wille des {Volk|n}es.

That is the will of the people.

3

Die Ergebnisse der {Untersuchung|f} sind positiv.

The results of the investigation are positive.

4

Angesichts der {Lage|f} müssen wir handeln.

Given the situation, we must act.

1

Die Architektur des {Gebäude|n}s zeugt von hoher Kunstfertigkeit.

The building's architecture testifies to high artistry.

2

Kraft des {Gesetz|n}es ist dies verboten.

By virtue of the law, this is forbidden.

3

Die Komplexität des {Problem|n}es erfordert Zeit.

The problem's complexity requires time.

4

Ungeachtet der {Warnung|f} ging er weiter.

Regardless of the warning, he continued.

1

Das ist ein Kind des {Zufall|m}es.

That is a child of chance.

2

Die Weite des {Horizont|m}es ist atemberaubend.

The horizon's vastness is breathtaking.

3

Die Erfüllung des {Versprechen|n}es war ihm heilig.

The fulfillment of the promise was sacred to him.

4

Die Nuancen der {Sprache|f} sind unendlich.

The language's nuances are infinite.

Easily Confused

The Classic Genitive: Showing Possession (-es) vs Genitive vs Dative

Learners often use Dative with 'wegen'.

Common Mistakes

Das Auto der {Mann|m}.

Das Auto des {Mann|m}es.

Masculine needs 'des' and '-es'.

Wegen dem {Regen|m}.

Wegen des {Regen|m}s.

Wegen takes Genitive, not Dative.

Das Buch von dem {Kind|n}.

Das Buch des {Kind|n}es.

Genitive is preferred in writing.

Die Meinung der {Experte|m}.

Die Meinung der {Experten|pl}.

Weak masculine nouns need -en.

Sentence Patterns

Das ist das ___ des ___.

Real World Usage

Formal Email very common

Bezüglich des {Angebot|n}es...

💡

Use it in writing

Always use the Genitive in formal writing.

Smart Tips

Use Genitive to sound professional.

Das Haus von dem {Mann|m}. Das Haus des {Mann|m}es.

Pronunciation

des {Haus|n}es -> /haʊzəs/

The -es ending

Pronounce the 'e' clearly in '-es' if the noun ends in a sibilant.

Emphasis

Das ist das Auto DES {Mann|m}es.

Emphasizing the owner.

Memorize It

Mnemonic

Remember: 'Des' is for the boys and the neuters, 'Der' is for the ladies and the groups.

Visual Association

Imagine a king (masculine) wearing a crown with an 'S' on it, and a queen (feminine) holding a 'Der' flag.

Rhyme

Masculine and Neuter take the -s, feminine and plural take the -der, that's the Genitive success!

Story

The king's (des {König|m}s) castle was huge. The queen's (der {Königin|f}) garden was beautiful. The children's (der {Kinder|pl}) toys were everywhere.

Word Web

desderwegenwährendtrotzWessen

Challenge

Write 5 sentences describing items in your room using the Genitive case.

Cultural Notes

The Genitive is the standard in formal business emails.

The Genitive case comes from Proto-Germanic and has been a core part of the language for centuries.

Conversation Starters

Wessen Handy ist das?

Journal Prompts

Describe your family members' belongings using the Genitive.

Common Mistakes

Incorrect

Correct


Incorrect

Correct


Incorrect

Correct


Incorrect

Correct

Test Yourself

Fill in the correct article.

Das ist die Tasche ___ {Frau|f}.

✓ Correct! ✗ Not quite. Correct answer: der
Feminine Genitive uses 'der'.

Score: /1

Practice Exercises

1 exercises
Fill in the correct article.

Das ist die Tasche ___ {Frau|f}.

✓ Correct! ✗ Not quite. Correct answer: der
Feminine Genitive uses 'der'.

Score: /1

Practice Bank

10 exercises
Fill in the blank Fill in the Blank

Das Spielzeug ___ Kindes.

✓ Correct! ✗ Not quite. Correct answer: des
Fill in the blank Fill in the Blank

Die Stimmen ___ Kinder sind laut.

✓ Correct! ✗ Not quite. Correct answer: der
Translate 'the father's' Multiple Choice

How do you say 'of the father'?

✓ Correct! ✗ Not quite. Correct answer: des Vaters
Reorder: Bruder / des / Auto / Das Sentence Reorder

Put the words in the correct order:

✓ Correct! ✗ Not quite. Correct answer: Das Auto des Bruders.
Fill in the blank Fill in the Blank

Die Tür ___.

✓ Correct! ✗ Not quite. Correct answer: des Hauses
Which is correct? Multiple Choice

The neighbor's (f) garden:

✓ Correct! ✗ Not quite. Correct answer: Der Garten der Nachbarin.
Fill in the blank Fill in the Blank

Ich bin ___.

✓ Correct! ✗ Not quite. Correct answer: des Weges
Translate 'of the city' Multiple Choice

Die Mitte ___.

✓ Correct! ✗ Not quite. Correct answer: der Stadt
Fill in the blank Fill in the Blank

Die Meinung ___ ist wichtig.

✓ Correct! ✗ Not quite. Correct answer: des Professors
Find the correct sentence Multiple Choice

The neighbor's dog:

✓ Correct! ✗ Not quite. Correct answer: Der Hund des Nachbarn.

Score: /10

FAQ (1)

No, it is very much alive in formal German.

Scaffolded Practice

1

1

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish partial

de + noun

Spanish doesn't change the noun ending.

Learning Path

Prerequisites

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