Bonjour,
1. She came to school later than I did.
→ Forme négative : She didn't come to school later than I did.
→ Forme interrogative : Did she come to school later than I did ?
2. You went to school yesterday.
→ Forme négative : You didn't go to school yesterday.
→ Forme interrogative : Did you go to school yesterday ?
3. I made a mistake.
→ Forme négative : I didn't make a mistake.
→ Forme interrogative : Did I make a mistake ?
4. He was in another school last year.
→ Forme négative : He wasn't in another school last year.
→ Forme interrogative : Was he in another school last year ?
5. Many years ago, China was a poor country.
→ Forme négative : Many years ago, China wasn't a poor country.
→ Forme interrogative : Many years ago, was China a poor country ?
6. Last time you worked hard.
→ Forme négative : Last time you didn't work hard.
→ Forme interrogative : Last time, did you work hard ?
7. She wished she became rich.
→ Forme négative : She wished she didn't become rich.
→ Forme interrogative : Did she wish she become rich ?
8. When I was a child I often played with Kelly.
→ Forme négative : When I was a child, I never played with Kelly.
→ Forme interrogative : When I was a child, did I often play with Kelly ?
9. She left two days ago.
→ Forme négative : She didn't leave two days ago.
→ Forme interrogative : Did she leave two days ago ?
J’espère t’avoir aidé ^^
Bonne journée et bonne continuation.
