1. am looking

2. don't drive - go

3. are doing

4. plays

5. am listening

6. watches

7. are studying

8. doesn't do

9. use

10. aren't working

11. chưa thấy

12. Is Jane watching

13. doesn't go

14. is eating

15. am not listening - am playing

16. is raining - rains

17. are reading

18. are you talking

19. is playing

20. does she go - goes

Cấu trúc :HTD

+) S + V s/es

-) S + do/ does + not +V 

?) Do /does + S + V 

I/ you / we / they + V 

She / he / it + V s/es 

DHNB : every , never , always

------

Cấu trúc : HTTD 

+)  S + tobe + Ving 

-) S + tobe + not + Ving

?) Tobe  + S + Ving

I + am 

She / he / it + is 

You / we / they + are

--------------------------------

1. am looking

2. don't drive / go 

3. are doing 

4. plays 

5. am listening 

6. watches 

7. are studying 

8. doesn't do 

9. use 

10. aren't working 

12. Is Jane watching 

13. doesn't go 

14. is eating 

15. am not listen / am playing 

16. is raining / rains

17. are reading 

18. are you talking 

19. is palying 

20. does she go / goes