1) I did my Maths homework yesterday. 

2) does Susan go to England by plane? 

3) They visited a farm two weeks ago. 

4) Jenny and Peggy don't help their brother. 

5) The children weren't at home last weekend. 

6) When did you design this wonderful skirt? 

7) My mother didn't crash into the van. 

8) The boys took off the mudguards of their bicycles. 

9) did you phone your aunt last week?

10) He doesn't drink milk at school.

11) The police arrested two people early this morning. 

12) She went to Japan but now she is coming back. 

13) Dan has already bought two tablets this year. 

14) How many games has your team won so far this season? 

15) did you visit the CN Tower when you stayed in Toronto?

16) Have you do your homework yet? – Yes, I finished it an hour ago.
17) There is an accident in High Street, so we have to use King Street to get to your school.
18) I didn't see Peter since I arrived last Tuesday.
19) Frank got his bike last May. So he has it for 4 months.

20) 'm sorry, I haven't written earlier,but I have worked a lot lately.

Xin hay nhất ạ.

`1.` did

- Thì QKD: yesterday

`2.` Have Susan gone

- Thì HTHT

`3.` vistited

- Thì QKD: two week ago

`4.` haven't help 

- Thì HTHT

`5.` weren't

- Thì QKD: last weekend

`6.` did you design

- Thì QKD

`7.` hasn't crashed

- Thì HTHT

`8.` have taken off

- Thì HTHT

`9.` Did you phone

- Thì QKD: last week

`10.` hasn't drunk

- Thì HTHT

`11.` has arrested

- Thì HTHT; early this morning

`12.` has gone - is coming

- Thì HTHT

- Thì HTTD: now

`13.` has already bought

- Thì HTHT: already

`14.` has your team won

- Thì HTHT: so far

`15.`Have you visited - stayed

- Thì HTHT

`16.` Have you done - finished

- Thì HTHT: yet 

- Thì QKD: ago

`17.` has been 

`18.` haven't seen - arrived

- HTHT + since + QKD

- Thì QKD: last Tuesday

- Thì HTHT: since ...

`19.` got - has had 

- Thì QDK: last May

- Thì HTHT: for 4 months

`20.` didn't write - worked

- Thì QKD