Write the correct form of each verb in brackets.

1. If Mai (not want) _______ to gain weight, she shouldn't eat much fast food.

2. If you stay up too late tonight, you might (feel) _______ tired tomorrow morning.

3. You should (sleep) _______ eight hours a night if you want to be awake and fully alert.

4. If Tom (complete) _______ his assignment on Friday, he can go out with his friends at the weekend.

5. You must (be) _______ careful if you don't want to get burnt.