Exercise 4: Rewrite the following sentences.
1. You needn't have shouted.
2. They needn't have called for help after all.
3. You needn't have gone to all that trouble.
4. Your house needs redecorating.
5. He might not had got my letter.
6. It wasn't necessary for you to buy it for me.
7. They can't had gone out in that weather.
8. You should have told me about it yesterday.
9. She can't have done it on purpose.
10. Your car might had been stolen.
11. Lan might had gone out to London.
12. You should have gone to see that film at the cinema last night.
13. You shouldn't have been careless to let the door open last night.
14. Manh may be repairing his bike now.
15. They may have 2 big houses in the suburb.
16. Why didn't you remind me about the meeting yesterday?