When to Use 'kein' vs 'nicht'?
German negation uses two words: 'kein' (no/not a/any) negates nouns and replaces indefinite articles, while 'nicht' (not) negates verbs, adjectives and adverbs. Choosing between them is a foundational grammar rule.
Use 'kein' to negate nouns (e.g. 'Ich habe kein Buch' = I have no book), and 'nicht' to negate verbs, adjectives and adverbs (e.g. 'Ich verstehe nicht' = I don't understand).
- •Negate nouns (+ indefinite article)
- •'Ich habe kein Auto'
- •'Das ist keine Frage'
- •Negate verbs
- •Negate adjectives
- •Negate adverbs
Step-by-step worked examples
Negate: 'Ich habe ein Buch.'
Object is a noun (ein Buch) Replace 'ein' with 'kein' Negation: Ich habe kein Buch.
Negate: 'Du bist klug.'
Negating an adjective (klug) Use 'nicht' Negation: Du bist nicht klug.
Negate: 'Wir gehen morgen.'
Negating the verb (gehen) Use 'nicht' at end or after subject+verb Negation: Wir gehen nicht morgen. / Wir gehen morgen nicht.
Flashcards
Quick quiz
Q1.'Ich habe ___ Zeit.' (no time)
Q2.'Das ist ___ richtig.' (not correct)
Q3.'Ich verstehe ___ .' (I don't understand)
Q4.'Das ist ___ Fehler.' (not a mistake)
The full card deck, worked steps and AI-tutor support for “When to Use 'kein' vs 'nicht'?” are in Notek — study by hand before your exam.
Common mistakes
Using nicht to negate nouns: 'Ich habe nicht Buch'. — Correct: Use kein for nouns: Ich habe kein Buch.
Using kein to negate verbs: 'Ich kein verstehe'. — Correct: Use nicht: Ich verstehe nicht.
Forgetting that kein declines. — Correct: kein changes: kein, keine, keinem, keinen, etc.
Placing nicht in the wrong spot. — Correct: Usually at the end of clause or after verb + subject.
FAQ
What is the difference between kein and nicht?
kein negates nouns (replaces indefinite articles), nicht negates verbs, adjectives and adverbs.
How does kein decline?
Like the indefinite article: kein, keine, keinem, keinen (masculine, feminine, neuter, plural & case).
Where do you place nicht in a sentence?
Usually at the end of the clause, or after the verb and subject in questions.
Can you use both kein and nicht together?
Rarely — you choose one or the other depending on what you're negating.