1. They don’t walk regularly,do they?

2. Ngoc hasn’t finished her study in England,……………has she …………………?

3. Quan asked you how to get to the post office,………………wasn't he……………..?

4. Your classmates are going to have a picnic,…………aren't they……………………..?

5. I have to come there at 5p.m.,…………haven't I ……………..?

 S + have/has+V_ed/PP+O,+ haven't +S 

6. We must all work very hard,……………aren't we…………………?

7. Mr. Smith has kindly provided a picnic lunch for us,……………hasn't she………………?

8. He was a pilot, …………wasn't he …………….?

9. They disappeared too long,…………… weren't they ?………….?

10. He shouldn’t play video games too much,…………… should he ……………?

 S+shouldn't+V_bare+O,should+S

11. You aren’t at home now,………… are you…………..?

S + be + not + O,be + S

12. There are rivers and lakes on the moon,………aren't they………………….?

13. Hoa and Ha have to look after these children,…………haven't they……………..?

14. Nam had to buy some match boxes,………………hadn't he ………..?

15. Hanh is preparing for her next examination,………… isn't she……………..?

16. The weather’s very sunny today,…………… isn\t it ……………? 

 Ngược lại câu 11

17. There isn’t any buses in this street,………… is it ……………..?

18. Mary likes watching TV,…………… isn't she ……………….?

19. We haven’t met since we left school,................ have we......?

CẤU TRÚC

Câu `(2,7,13,19)` 

 S + hasn't/ haven't+ V_ed/2 + O ,have/has + S

Câu `(3,8,9)`

S + V_ed/2 + O ,wasn't/weren't + S

`2`/ has she? ( S + has / have + not  + vIII + O ,+ have / has + S )

`3`/ wasn't he ? ( S + vII + O , + was / were + not + S )

`4`/ aren't they ( S + am is are + v ing + O, + to be ( am is are ) + not + S )

`5`/ haven't I ? ( S + have / has + vIII + O, + haven't + S )

`6`/ aren't we ? ( Câu này ở thì hiện tại đơn nên we + are `->` S + v bare + s / es + O, + to be ( am is are ) + not + S )

`7`/ hasn't she ? ( cách giải thích giống câu `1` )

`8`/ wasn't he ?  ( cách giải thích giống câu `2` )

`9`/ weren't they ? ( cách giải thích giống caau `2` )

`10`/ should he ? ( S + should + not + v bare + O, + should + S )

`11`/ are you ? ( S + to be + not + O, + to be + S )

`12`/ aren't they ? ( cách giải thích giôgns câu `4` )

`13`/ haven't they ? (cách giải thích giống câu `1` )

`14`/ hadn't he ? ( S + had + vIII + O, + had + not + S )

`15`/ isn't she ? ( cách giải thích giống câu `4` )

`16`/ isn't it ? ( ( S + to be + O, + to be + not + S )

`17`/ is it ? ( cách giải thích giống câu $11$ )

`18`/ isn't she ? ( cách giải thích giống câu $4$ )

`19`/ have we ? ( S + have / has + not + O, + have / has + S )