Lesson 4: The Genitive Case and Possessive Expressions

Lesson 4: The Genitive Case and Possessive Expressions

You find a bag in a café. Is it Anna's bag, your sister's bag, or the teacher's? German gives you several ways to connect a thing with a person. The genitive also helps you understand signs, descriptions and phrases such as “during the summer.”

By the end, you can build a genitive noun phrase, choose its endings, recognize common genitive prepositions and choose between a genitive and a von phrase. You already know nominative, accusative and dative; this lesson adds the fourth case.

1. Start with the relationship

Compare these sentences:

In the last sentence, das Buch des Lehrers is the complete subject. Inside it, des Lehrers is a genitive attribute describing Buch. The book is the thing being located; the teacher is its owner in this context.

Genitive relationships extend beyond ownership:

• die Tür des Hauses — the door of the house: a part of something
• die Farbe des Autos — the color of the car: a property
• die Schwester meiner Freundin — my girlfriend's sister: a family relationship
• die Werke Picassos — Picasso's works: authorship
• die Geschichte des 20. Jahrhunderts — the history of the 20th century: a time relationship

Wessen? means “whose?”: Wessen Buch ist das? — Das ist Annas Buch. It is particularly useful when asking about possession, although not every genitive phrase expresses a literal owner.

2. Build the article and noun together

For a phrase such as das Auto des Mannes, start with the noun naming the owner: der Mann. Its gender determines des, and its genitive form is Mannes. The gender of Auto does not decide the ending on Mann.

The plural can use der, a possessive or another determiner: die Namen der Kinder (the children's names), die Namen meiner Kinder (my children's names). Do not use einer Kinder as a plural equivalent of “of a child.”

The form der Mutter can also be dative in another construction. The whole phrase tells you the case: mit der Mutter is dative; das Auto der Mutter contains a genitive attribute.

The noun ending is part of the answer

Many masculine and neuter singular nouns follow the strong pattern and add -s or -es:

Word length gives tendencies, not a strict rule that every one-syllable noun must take -es. Learn the common genitive form with the noun, and check a dictionary when unsure. An ending such as -s in Haus also matters: the form is Hauses, not Hauss.

Some masculine nouns use a different pattern. The weak noun from lesson 3, der Junge, becomes des Jungen; der Student becomes des Studenten. Other forms need individual learning, such as der Name → des Namens and das Herz → des Herzens. “Every masculine or neuter noun adds -s” would therefore give wrong answers.

Feminine nouns do not gain a genitive noun ending: der Frau, der Stadt, der Schwester. Genitive plural likewise adds no special ending to the ordinary plural: der Kinder, der Freunde, der Autos. Compare the dative plural den Kindern from lesson 3.

Try it: Turn das Fahrrad + der Lehrer into “the teacher's bicycle.”

Answer: das Fahrrad des Lehrers. Change both the owner's article and the owner's noun. The head noun Fahrrad stays as it was.

3. Say whose: mein, dein, sein and more

Before a noun, words such as mein and dein are possessive determiners. The stem tells you whose; the ending agrees with the following noun's gender, number and case.

Notice euer → eures/eurer and the capital in formal Ihr. Lowercase ihr can refer to “her” or “their”; the context identifies which.

Build from the inside out:

1. “My father” is mein Vater.
2. “Of my father” is meines Vaters.
3. “My father's car” is das Auto meines Vaters.

Now contrast die Tasche meiner Schwester (my sister's bag) and die Tasche seiner Schwester (his sister's bag). Meiner/seiner identify different people; both have -er because Schwester is feminine genitive.

Useful phrases for the practice bank:

Dieser means “this.” Its genitive forms include dieses with masculine/neuter singular and dieser with feminine/plural. In dieses Autos, both the determiner and the noun show the genitive pattern.

Here Freundin refers to a romantic partner because that is the stated context. The word can also mean a female friend; the grammar alone does not settle the relationship.

4. Names and word order

With ordinary noun possessors, a useful neutral pattern puts the related thing first:

das Buch + des Lehrers → das Buch des Lehrers

With names, putting the name first is common:

• Annas Haus — Anna's house
• Peters Auto — Peter's car
• Deutschlands Hauptstadt — Germany's capital
• Deutschlands schönste Städte — Germany's most beautiful cities

For names such as Anna, add -s without an apostrophe in these ordinary phrases. Do not write Anna's Haus. A name can also follow: die Werke Picassos is “Picasso's works.” So “the possessed thing always comes first” is not a German rule.

When an articleless name ends in an s-sound written, for example, s, z or x, use an apostrophe without another s: Hans’ Auto, Franz’ Tasche, Max’ Fahrrad. A straight apostrophe is also usable when typing: Max' Fahrrad.

You may encounter an apostrophe before s in business names such as Eva’s Blumenladen. The spelling rules allow this when the whole expression is a proper name. That does not change the ordinary phrase Evas Mutter.

Elevated language can also place a noun possessor first: meines Vaters Auto. Use das Auto meines Vaters as your neutral starting pattern. Do not combine both patterns as meines Vaters das Auto.

5. Read signs with genitive prepositions

These six prepositions are useful with genitive noun phrases in standard written German:

Anstatt can replace statt in these examples. Here während comes before a noun phrase and means “during”; as a conjunction before a clause it can mean “while.”

Read the complete message before translating a sign:

Während der Renovierung geschlossen.
Closed during renovation.

Die Renovierung is feminine, so its definite genitive article is der. The sign gives a time period, not a reason introduced by wegen.

Außerhalb der Öffnungszeiten geschlossen.
Closed outside opening hours.

Die Öffnungszeiten is plural. Genitive plural der refers to hours outside the opening schedule.

Wegen des Feiertags ist die Praxis geschlossen.
The practice is closed because of the holiday.

Der Feiertag is a holiday, die Praxis a professional practice or surgery, and geschlossen means closed. This is an example sentence, not a claim about any particular practice's schedule.

Compare cause and contrast:

• Wegen des Regens bleiben wir zu Hause. The rain is why we stay home.
• Trotz des Regens gehen wir spazieren. We go for a walk despite the rain.

With an adjective after des, use the forms shown here: wegen des schlechten Wetters and die Bilder des berühmten Künstlers (the famous artist's pictures). The adjectives have -en; Wetters/Künstlers have their genitive noun endings. Learn these patterns before extending them to unfamiliar adjective constructions.

Time phrases and variation

Innerhalb einer Woche / eines Monats / eines Jahres means within a week / a month / a year. Learn the genders: die Woche, der Monat, das Jahr. Innerhalb von einer Woche is also possible; von takes dative. It is not a malformed genitive.

You will also hear dative after some prepositions in the table, particularly wegen, with regional and register differences. Some constructions without a visible genitive ending use dative in standard language too. The table gives a reliable pattern for the article-containing written examples practiced here; it does not mean every dative alternative is an error.

6. Choose a useful way to express the relationship

Both of these can identify the owner:

Das ist das Buch des Lehrers.
Das ist das Buch von dem Lehrer. / Das ist das Buch vom Lehrer.

Vom contracts von dem. The genitive is useful in edited descriptions and formal correspondence; von + dative is common in conversation. But genitives also occur naturally in conversation, including Annas Haus and das Auto meiner Schwester. You do not need to avoid them when talking to friends.

Context matters. Ein Buch vom Lehrer can mean a book received from the teacher; it does not automatically prove that the teacher owns it. Likewise sein Buch needs a clear reference for “his/its.” Choose the form that identifies the relationship clearly.

Some genitives are useful expressions to learn as complete phrases:

• eines Tages — one day
• meines Wissens — as far as I know
• meines Erachtens — in my opinion
• letzten Endes — in the end / ultimately

Meines Erachtens ist das eine gute Idee expresses the speaker's judgment. It is not a guarantee that the idea is objectively good.

7. Use it: a lost bag and a museum visit

Mira: Wessen Tasche ist das? — Whose bag is that?
Jonas: Das ist die Tasche meiner Schwester. — That's my sister's bag.
Mira: Und das Fahrrad? — And the bicycle?
Jonas: Das ist Max’ Fahrrad. — That's Max's bicycle.

Later, they read der Eingang des Museums: the museum entrance. Des Museums describes Eingang; this phrase alone is not a complete sentence, so do not label it a subject without a sentence around it.

A room label reads Die Gemälde des 18. Jahrhunderts: the paintings of/from the 18th century. Das Gemälde means painting; its plural is also Gemälde. The dot in 18. marks an ordinal number. Compare die Geschichte des 20. Jahrhunderts, the history of the 20th century.

On the way home, Jonas says Statt eines Taxis nehmen wir die U-Bahn: instead of a taxi, we'll take the subway. Nehmen is “take”; die U-Bahn is the subway/underground.

Check yourself before opening the question bank

1. Build “the man's car” using the longer genitive form of Mann.
2. Build “my girlfriend's sister.”
3. Translate wegen des Verkehrs. Vocabulary: der Verkehr = traffic.
4. Complete während ___ Vorlesung with the definite genitive article. Die Vorlesung = lecture.
5. Does trotz der Krise give a cause or a contrast? Die Krise = crisis.
6. Change das Büro vom Chef to a genitive phrase. Das Büro = office.

Answers: 1. das Auto des Mannes; 2. die Schwester meiner Freundin; 3. because of the traffic; 4. der; 5. a contrast: despite the crisis; 6. das Büro des Chefs.

For each answer, explain which noun controls the ending. Then make one true phrase about your own life: a friend's name, a family member's object or the entrance of a building you know. Check both the determiner and the noun before you say it aloud.