1.stay 

2.helping

3.typing

4.help

5.hoping/praying

6.meeting

7.to resign

8.having

9.to meet

10.not to tell

11.holding

12.hoping/to win

13.to talk

14.listening

15.to make

16.giving

17.to write

18.to try/catching

19.to pay

20.to answer

21.to pay

22.using/working

23.hearing/not to enter

24.to have/to get

25.going/saying

26.to have/to meet

27.to treat

28.to invite

29.weighed

30.done

31.start

32.to row

33.to avoid/being

34.keeping to wait

35.cutting/have/done/to have

36.watching/reading

37.to make

38.reading

39.deciding

40.watching/catch up

41.exceeding

42.giving/to speak

43.to give up

44.stopping /forget /to wind

45.have/writing

46.to explain/listening/grumbling

47.to go/fishing

48.to tell

49.to find

Ex1:

1.stay

2.help

3.typing

4.help

5.hoping-praying

6.meeting

7.resign

8.having

9.to meet

10.not to tell

11.holding

12.hoping-win

13.to talk

14.listening

15.not to make

16.giving

17.writing

18.trying-to catch

19.to pay

20.to answer

21.paying

22.using-working

23.hear-not to enter

24.to have-get

25.do-saying

26.having

27.to treat

28.inviting

29.weigh

30.do

31.starting

32.rowing

33.to avoid-being

34.keeping to wait

35.cutting-have-done-to have

36.watching-reading

37.to make

38.reading

39.deciding

40.watching-catch up

41.exceeding

42.giving-to speak

43.to give up

44.stopping -forget -to wind

45.have-writing

46.to explain-listening-grumbling

47.to go-fishing

48.to tell

49.to find