.....

1/

1 aren'you 

2 didn't

3 aren'they 

4 won't she

5 aren't they 

6 isn't it

7 shouldn't  they

8 can you

9 won't you

10 haven't we

11 do you 

12 isn't is

13 aren't you 

14 didn't we

15 will you

16 do we

17 have you 

18 did they 

19 can't it 

20 don't you 

2/

1 I didn't  ues  to 

2I used to 

3I used to

4I didn't used to

5 I used to

3/ 

1 I  used to stay up late to watch football matches last year ,but now I don't

2 there used to be some trees in the field,but now there aren't any

3 Lidan used to live with her parents 

4 He used to be a poor man,but he becomes a rich businessman

5 they didn't use to go to the cinema every sundat last year

6 In the past my hair used to shorter than it is now

7I used to be have time to collect stamps as when I was in primary school

8 Did use to go to beach when you lived in nha trang

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