16 was feeding

17 were having -stopped

18 was sleeping

19 thought

20 noticed - was watching

11 did - do

12 used to write - were

13 knew

14 were made - are sold

15 was raining

6 was riding - blew

7 was walking - saw

8 were watching - failed

9 was leaving - rang

10 turned

I

1 were singing

2 was working

3 stopped - was passing

4 were watering - go

5 was watching - was reading

48 There were too many exercises for me to finish in a short time

49 I am too unhappy to go out with him

50 They sang too badly for me to invite to the party

45 The story was funny enough to make us unable to stop laughing

46 The film was too boring for us to stay until the end

47 The road is not short enough for us to go on foot

42 The restaurant is too expensive for us to eat in

43 He studied too badly to pass the exam

44 The house is too expensive for us to buy

39 You speak too fast for me to catch up with your words

40 It is too early for us to go out

41 The water is too hot for me to drink

36 He was too old to run fast

37 He spoke too fast for us to understand

38 The fair was too noisy for us to hear each other

33 The water is warm enough for me to drink

34 The weather is too bad for us to go out

35 The film was too boring for us to go on seeing