visited

2worked

3found

4met

5thought

6was/were

7played

9ordered

10read

11heard

12could

13lost

14standed

15walked

16exchanged

visited

worked

found

met

thought

was/were

played

watched

ordered

read

heard

could

lost

stood

walked

exchanged

II. Change these words into past form. (Viết dạng quá khứ của các động từ sau)

1.     visit:...................visited....................  9. order :..................ordered.........................

2.     work: ..................worked....................... 10. Read:...............read..........................

3.     Find:......................found..................    11. Hear:.............heard...........................

4.     Meet:...................met...................    12. Can...................could.......................

5.     Think.....................thought..............         13. Lose:...................lost.....................

6.     Is/am: .....................was.............        14. Stand:..............stood........................

7.     Play:   .....................played.............        15.Walk................walked........................

Watch..................watched................        16.exchange ...............exchanged...................

Đáp án:

ordered

visited

worked

found

thought

watched

read

heard

stood

exchanged

played

1visited

2worked

3found

4thought

5watched

6read

7heard

8standed

9exchanged

10played

visited

worked

found

thought

watched

read

hearrd

stood

exchanged

played

visited

worked

found

thought

watched

read

heard

stand

exchanged

played

1.visited 

2.worked

3.found

4.thought 

5.watched

6.read

7.heard

8.stood

9.exchanged

10.played 

took

Đáp án:

Found

could

read

lost