Thì quá khứ đơn và quá khứ hoàn thành: 21. He (live)……………. in the country for ten years when he first (come)………. to London. 22. I (not talk)…………. to him because when I (arrive)………. he already (leave)…… 23. When we (go)……………. out again, the wind (stop)………………………….. 24. He (think)……. he (win)………. in the lottery but he (not have)……………. of course. 25. No sooner the bell (ring)………………. when the pupils (go)……………. out to play. 26. Before you (mention)…………. his name, I never (hear)………………. of this poet. 27. Our guests (be)……………. still here when he (come)……………. back from school. 28. The same day he (arrive)……………. I (receive)………………. a postcard from him. 29. They just (close)………………. the shop when I (get)…………. there. 30. When the policeman (blow)……………. his whistle the driver (stop)……………. the car

21. He (live) had lived in the country for ten years when he first (come) came to London.
22. I (not talk) didn't talk to him because when I (arrive) arrived, he already (leave) had left
23. When we (go) went out again, the wind (stop) had stopped
24. He (think) thought he (win) won in the lottery but he (not have) hadn't had of course.
25. No sooner the bell (ring) rung when the pupils (go) had gone out to play.
26. Before you (mention) metioned his name, I never (hear) had heard of this poet.
27. Our guests (be) were still here when he (come) had come back from school.
28. The same day he (arrive) had arrived, I (receive) received a postcard from him.
29. They just (close) had closed the shop when I (get) got there.
30. When the policeman (blow) had blown his whistle the driver (stop) stopped the car

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