1. when did/will you phone (phone) her? (ở câu này do câu hỏi không nêu rõ thời gian nên ta có thể dùng cả tương lai lẫn quá khứ)
2. they( not stay) won't stay very long
3. what did you say to your father(you say)
4. i (not pay) don't pay anything
5. Why don't we play tennis tomorrow? (we play)
6. look at those clouds! it (rian) is going to rain
7. look at the sun ! it (be) is going to be hot
8. susan's not working very hard. think she (fail) will fail her exam
9. he's very angry. he ( complain) is always complaining to the manager
10. it's nearly four o'clock. the lesson ( finish) will finish soon