I

1, spending; playing

2, making

3, not to make

4, turning

5, to give

6, building

7, advising; to give

8, buying

9, watching

10, to come

11, to take

12, to lend

13, to give

14, to do

15, to get; to ask

16, to reach

17, to give

18, to be

19, going; to stay

20, to take

21, camping

22, to smoke

23, to review

24, going

25, work

26, seeing

27, looking; to answer

28, to wear

29, to prepare; coming

30, laughing; slipping

31, locking

32, to wait

33, run

34, use

35, to go

36, to raise

37, to stay

38, eating; preparing

39, to repair

40, watching; water

EXERCISE 1:

1, This flower is watered by my father every morning.

2, Fiona was invited to his birthday party last night by John.

3, The dinner is being prepared in the kitchen by her mother.

4, Our teeth should be cleaned twice a day.

5, The English grammar has been explained by our teachers.

6, The accident was caused in this city by some drunk drivers.

7, His parents will be visited by Tom next month.

8, The secretary wasn’t phoned by the manager this morning.

9, Was this beautiful dress bought by Mary?

10, These old pictures will not be hung in the living room by me.

11, This factory wasn’t built by the German during the Second World War.

12, This house and these cars are going to be painted for Christmas Day by the Greens.

13, The cats were fed by Ann before she went to the cinema.

14, The pollution problems have been discussed by the students since last week.

15, Has the most valuable painting in the national museum been stolen by the thieves?

16, The new president will be interviewed on TV.

17, How many languages are spoken in Canada?

18, Are those shoes going to be repaired by you?

19, His nose has been broken in a football match by him.

20, Have the above sentences been finished by you?