1. is listening

2. rains 

3. works - isn't working

4. is running - wants

5. speaks - comes

6. is coming - are meeting

7. lives - is staying

8. is driving

9. don't know

10. swims - doesn't run

Cấu trúc: 

Thì HTĐ: Diễn tả 1 thói quen, 1 sự thật hiển nhiên

(+) S + V(s/es) + O..

(-) S + do/does +  not + V1 + O..

(?) Do/does + S + V1 + O..?

→ Yes, S + do/does

→ No, S + do/does + not

DHNB: every, always, sometimes, often,..

Thì HTTD: Diễn tả 1 hành động đang xảy ra

(+) S + be + Ving..

(-) S + be + not + Ving ..?

(?) Be + S + Ving + ..?

→ Yes, S + be

→ No, S + be + not

DHNB: Now, right now, at the moment, at present, Look!, Listen!....

@Càng