Exercise 2
Are the sentences correct?
1. You mustn't forget what I told you. It is very important.
2. Who could have done that? - - - I don't know. But it definitely can't have been Paul because he was out of town.
3. You‘d better clean it up before George comes back home.
4. Yesterday I had to give a speech to 200 students. Speaking in public for the first time, you know. - - - Wow! You must be nervous!
5. Don't say it didn't happen! How can you be so sure? Come on, it may happened.
6. You should talked to you boss about the problem.
7. It can't be the printer! I checked it and it looks ok. The problem must be in the cable.
8. You weren't allowed changing any of it. You were supposed to be there and wait until I came!
9. I can stay in bed tomorrow morning because I mustn't go to work.
10. I know his performance was not very good. He will shape up! Next time should be much better!