I

1, be – was/were – been

2, tell – told – told

3, teach – taught – taught

4, have – had – had

5, take – took – taken

6, make – made – made

7, learn – learnt – learnt

8, take – took – taken

9, meet – met – met

10, go – went – gone

11, eat – ate – eaten

12, write – wrote – written

13, buy – bought – bought

14, watch – watched – watched

15, do – did – done

16, read – read – read

II

1, have left

2, has been playing

3, hasn’t rained

4, haven’t seen

5, have been studying

6, has worked

7, hasn’t seen

III

1, moved

2, have known

3, Did he live

4, has been

5, went

6, have lived

IV

1, F

2, F

3, F

4, T

5, F