52/ hasn't go out, has been bought

53/ had, was

54/ is planting, is cooking

55/ is coming, don't want to miss

56/ has already been, stay, had studied

57/ had he done

58/ will be built

59/ will be

60/ was visiting

61/ has changed

62/ to be

63/ to do

64/ was clearing

65/ park, to park

66/ studied

67/ is doing, was given

68/ eat

69/ had already seen

70/ improve, listening

71/ teached, had left

72/ didn't make, to postphone 

73/ is listening

74/ sit

75/ had built, visited

76/ had finished

77/ to swim

78/ had finished

79/ awarded 

80/ to be looked

81/ is, didn't eat, ate, drank

82/ would get, speak

83/ saw, had sat

84/ will go

85/ be finished

86/ has been killed

87/ will your house be rebuilt

88/ be finished

89/ hasn't been repaired

90/ wrote

91/ be found

92/ hadn't eaten

93/ has finishedto decorate

94/ to ask to stop

95/ haven't to

96/ am writing

97/ have you ever won, won

98/ were you driving

99/ had looked, saw, had you do

100/ to lend