Réponse :
2. Though it was raining (rain) we went to the cinema last night.
3. When he arrived, we weren't studying (not/study) any longer.
4. The teacher was writting (write) in the book he was reading.
5. Although my friend became (become) poor, he was still happy.
They built (build) a new bridge to replace the one that had collapsed.
7. The teacher punished (punish) us because we cried a lot.
8. The parents taught (teach) their children proper eating habits.
9.The dog didn't bark (not/bark) when I went out last night.
10. While I was sleeping (sleep), John stole my pen.
Explications :