Chia v phu hop voi thi

80. will have waited

81. has made 

82. broke/ stole/ were dancing

83. had sat/ was doing/was knitting/ were reading ( chia V-ing vì đều là hành động dài, đang xảy ra khi nhân vật " tôi" đến )

84. has painted ( dấu hiệu since là hiện tại hoàn thành )

85. has asked ( several là dấu hiệu )

86. listened

87. was working ( at that time là dấu hiệu )

88. have played/ Have you played/ came ( since là dấu hiệu, sau since chia quá khứ )

I have played/ had joined/ arrived ( câu hỏi hỏi HTHT thì trả lời htht, phía sau là cấu trúc after )

Chúc anh chị học tốt !