1. You…(should have/shouldn’t have/could have) tried to fix the window yourself. You might have fallen out and broken your neck.
2. The party was awesome! You… (could have/would have/should have) come!
3. If I hadn’t spilt the coffee on my trousers I (should have/ would have/ wouldn’t have) to change.
4. I… (wouldn’t have/ could have/ shouldn’t have) written the report today but I forgot.
5. We … (should have/ could have/ would have) gone on a picnic if it hadn’t rained.
6. I… (shouldn’t have/ couldn’t have/ could have) climbed higher if I hadn’t been so tired.
7. You didn't believe me, but I was telling the truth. You... (shouldn’t have/ would have/ should have) believed me.
8. If he hadn’t shouted at his workers they (shouldn’t have/ would have/ wouldn’t have) quit.
9. I've got a terrible headache. I... (should have/ could have/ shouldn’t have) drunk so much wine at the wedding!
10. If you had gone to bed earlier yesterday you…(would have/ wouldn’t have/ could have) overslept.