Ответ:

2) You have totake notes during the lecture.

3) You mustn't enter this room.

4) Jack was able to unlock the door.

5) Ann didn't need to cook dinner, but she did.

6) We could play chess (play a game of chess)

7) Sarah must be bored with her work.

8) You must take up sport.

9) I can certainly sat that Liz isn't interested in your ideas.

10) You can take the car tonight if you want.

 ex. 8

2) I can type fast, I can use computers and I can speak two languages.

3) We could buy a box of chocolates.

4) I need to take my jacket to the dry cleaner's.

5) Can I have a day off next week?

6) Could you open the window,please?

7) I needn't to buy anything.

Объяснение: