Distinguish ein for a subject and einen for a masculine direct object.
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What you will learn
Distinguish ein for a subject and einen for a masculine direct object.
The direct object: accusative
The subject is nominative. Verbs such as kaufen, sehen and brauchen take a direct object in the accusative. Ask Wen? about a person or Was? about a thing. In masculine singular, der becomes den and ein becomes einen. Feminine die/eine, neuter das/ein and the definite plural article die stay the same.
Examples
Ein Hund schläft. Ich sehe einen Hund.
Meaning
A dog is sleeping. I see a dog.
Ich kaufe eine Lampe.
Meaning
I am buying a lamp.
Wir brauchen ein Heft.
Meaning
We need a notebook.
Lesson exercises
A1 · 10
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Exercise 1 / 10
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___ Hund schläft. (unbestimmt)
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Correct answer: Ein
Why? Hund is the masculine subject here: Ein Hund.
Exercise 2 / 10
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Ich sehe ___ Hund. (unbestimmt)
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Correct answer: einen
Why? Hund is a masculine direct object here: einen Hund.
Exercise 3 / 10
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Wir kaufen ___ Tisch. (der Tisch, bestimmt)
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Correct answer: den
Why? Masculine der becomes den in the accusative.
Exercise 4 / 10
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Mia kauft ___ Lampe. (unbestimmt)
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Correct answer: eine
Why? Feminine accusative still takes eine.
Exercise 5 / 10
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Ich brauche ___ Heft. (unbestimmt)
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Correct answer: ein
Why? Heft is neuter, so ein stays the same.
Exercise 6 / 10
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Sie liest ___ Buch. (das Buch, bestimmt)
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Correct answer: das
Why? The neuter direct object keeps das.
Exercise 7 / 10
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Wir sehen ___ Kinder. (Plural, bestimmt)
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Correct answer: die
Why? The definite article in the accusative plural is die.
Exercise 8 / 10
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___ siehst du? — Einen Mann.
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Correct answer: Wen
Why? Use Wen to ask about a person as the direct object.
Exercise 9 / 10
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ich / kaufen / der Apfel (unbestimmt)
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Correct answer: Ich kaufe einen Apfel.
Why? Use kaufe with ich and einen with masculine Apfel.
Exercise 10 / 10
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Ein Mann sieht einen Hund. → Akkusativ?
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Correct answer: einen Hund
Why? The man sees the dog, so einen Hund is the direct object.
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Grammar references for further reading
Explanations, examples and exercises were created for WikiGerman. An introduction to A1, not a complete course.