chia động từ trong ngoặc 1 .we'll go out when the rain (stop) 2 .I (stay) here until the answer me 3 .wait until i (catch) you 4 .she (not come)until you (be) ready 5 .mrs Helen (help)you as sôn as she (finish)that letter tomorow 6 .after the class(be) over , ask the teacherabout that sentence 7 .i (come) and seeyou beforei leave here 8 .we (go) home as soon answer have finishedour work 9 .i (wait) here until you (come) back tomorow 10 .i (send) you some postcards as soon as i (arrive)in Lodon    

Phương pháp chia động từ trong câu:

- Đối với câu có thì tương lai đơn (will + V-inf) hay thì tương lai tiếp diễn (will + be + V-ing), động từ chính không được thêm "s".

- Đối với các thì khác, động từ chính thêm "s" nếu chủ ngữ là ngôi thứ ba số ít (he, she, it).

Câu trả lời:

1. We'll go out when the rain stops.
2. I'll stay here until they answer me.
3. Wait until I catch you.
4. She won't come until you are ready.
5. Mrs. Helen will help you as soon as she finishes that letter tomorrow.
6. After the class is over, ask the teacher about that sentence.
7. I'll come and see you before I leave here.
8. We'll go home as soon as we finish our work.
9. I'll wait here until you come back tomorrow.
10. I'll send you some postcards as soon as I arrive in London.

4. She will not come until you are ready.

3. Wait until I catch you.

2. I will stay here until they answer me.

1. We'll go out when the rain stops.