Bonjour,
Réponse :
A)
1. (?) Has he already bought his school books?
(-) He hasn’t already bought his school books.
2. (?) Have they watched this movie ten times?
(-) They haven’t watched this movie ten times.
B)
1. Have you been to London…
2. I have never read that book.
3. My sister has already finished her homework.
4. They haven’t learnt their lesson.
5. Has she ever played chess?
6. Your mother hasn’t received
Présent perfect : have/have + paticipe passé
C)
1. Did you work a lot yesterday?
2. They organized a party …
3. Where did they meet their friends?
4. My dog bit my neighbour yesterday.
5. She didn’t sleep well last night.
Prétérit : aux formes interrogatives et négative, le verbe n'est pas conjugué, la marque du prétérit est dans l'auxiliaire "did"
;)
