mấy bn giúp mik nha!!!
hiện tại hoàn thành chuyển thành qkđơn vs ngược lại
1. noone has challenged his authority before
=> this is the first time _____________________________________
2. it stared to rain at 2 o'clock
=> it has____________________________________________________
3. i have never been to the ballet before
=> it is____________________________________
4. john and mary moved to edinburgh twenty years ago
=> it is_______________________________________
5. the police started looking for him two months ago
=> for two months now the__________________________
6. i have never seen a dirtier-looking dog
=>this is_____________________________________
7. iohn has not had his hair cut for over six months
=>it is_________________________________
8. i haven played football since 2000
=>the last time..........................................................
9. i haven't been to HCM city for 2 years
=>the last time..........................................
10. i've never met such a famous person before
=> it is the first time...............................
11. she hasn't seen that boy here before
=>it is the first.............................................
12. she hasn't written to us since last year
=>the last time......................................
13. she started to learn e 8 years ago
=>it's................................................................
14. he hasn't laughed so much for ager
=>it's.......................................
15. i haven't enjoyed myself so much for years
=>it's...........................................
16. the telephone rang for hours
=> it's hours.................................................
17.i haven't seen him for ages
=>it's...............................................
18. i have learned english for four years
=>we started....................................................
19. his father started to stop smoking last year
=>his father.........................................
20. the editor hasn't written to Mai for a month
=>the editor last.......................................
21. how long have you learned spanish ?
=> how long ago..........................................................?
22. this last time she came back to her hometown was 4 years ago
=>she hasn's..............................
23. he started working as a bank clerk 3 months ago
=>he has..........................................
24. it has been e years since we first flew to singapore
=>we have.................................................................
25. i last had my hair cut in november
=> i haven't.......................................................
26. the last time we called each other was 5 months ago
=>we haven't..............................................
27. this is the first time i had such a delicious meal
=>i haven't............................................................
28. to day is saturday . I haven't taken a bath since wednesday
=> it is...........................................
1. She (ride) a horse before.
-> rode
2. Mary (ring) hours and hours ago.
-> rang
3. He wrote four best sellers before he (be) twenty years old.
-> was
4. The last time it (rain) was 3 years ago.
-> rained
5. We stepped outside the front door and it (began) to rain.
-> began
6. It started to rain at 2 o'clock and it still (rain).
-> has been still raining/ is still raining
7. Why do you watch the milk (boil) over?
-> boiling
8. I (walk) along the street when I suddenly (feel) something hit me in the back. I (not know) what it was.
-> walked - felt - don't know
9. Where is Tam? He said he (be) here at 4.30
-> was