Bài 1: Cho dạng động từ ngoặc They (come) … came… back home after they (finish) ……have finshed……… their work She said that she ( meet) ………has met…………… Mr Bean before Before he (go) ……… went…… to bed, he (read) …has read…… a novel He told me he (not/wear) ……hasn’t worn……… such kind of clothes before When I came to the stadium, the match (start) ……has started………… Before she (listen) ……… listened………… to music, she (do)……has done……… homework Last night, Peter (go) …has gone …… to the supermarket before he (go) …… went…… home Bài 2: Viết lại câu cho nghĩa không đổi sử dụng từ gợi ý cho sẵn 1David had gone home before we arrived => After David had gone home, we arrived We had lunch then we took a look around the shops =>Before we took a look around the shops, we had had lunch The light had gone out before we got out of the office =>When we got out of the office, the light had gone out After she had explained everything clearly, we started our work =>By the time we started our work, she had explained everything clearly My father had watered all the plants in the garden by the time my mother came home =>Before my mother came home, my father had watered all the plants in the garden 1- The storm destroyed the tent that we (build) 2- Liz (not / be) to New York before 2014 3- When Johnathan went out to play soccer, he (do / already) his homework 4- Kristen ate all of the cake that our mom (make) 5- The docter took off the plaster that she (put on) two weeks before 6- The waiter brought a drink that I (not / order) 7- Kenny could not remember the words we (learn) three week before 8- My kids collected coconuts that (fall) from the tree 9- (she / phone) Jackie before she went to see him in Korea? 10- He (not / ride) a horse before that day Đáp án: 1- had built 2- had not been 3- had already done 4- had made 5- had put on 6- had not ordered 7- had learned 8- had fallen 9- had she phoned 10- had not ridden