Key learning points

1. 'Welch-' is a determiner and question word which needs to agree with the noun it refers to.
2. Past participles of weak and strong verbs with 'haben' are consolidated.
3. The form of 'haben' changes when talking about different people but the past participle stays the same.
4. For questions in the past tense, swap 'haben' and the subject. The past participle stays at the end of the sentence.

Keywords

• Weak verb - a verb whose past participle sandwiches the verb stem with 'ge' and '-t'; for example, 'gespielt'

• Strong verb - a verb whose participle sandwiches the stem with 'ge' and 'en'; the stem vowel often changes

• Perfect tense - the German past tense formed with the verb 'haben' and the past participle

• Past participle - the form of a verb used in the perfect tense; for example, 'I have done'

Common misconception