Поставьте предложения в отрицательную и вопросительную форму.1. Peter can make a shelf.2. Ann could go there yesterday.3. His friends will be able to help him on Sunday.4. I can show you the way to the park.5. I can swim five miles at a time.6. You must air the room twice a day.7. Children must sleep nine hours a day. 8. She must help her mother about the house

1 Peter can't make a shelf

Can Peter make a shelf?

2 Ann couldn't go there yesterday

Could Ann go there yesterday?

3His friends won't be able to help him on Sunday

Will his friends be able to help him on Sunday?

4 I cant show you the way to the park

Can I show you the way to the park?

5I cant swim five miles at a time

Can I swim five miles at a time?

6 I mustn't air the room twice a day .

Must I air the room twice a day?

7Children mustn't sleep nine hours a day

Must children sleep nine hours a day?

8She mustn't help her mother about the house

Must she help her mother about the house?