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20. arrive – will probably be raining
21. is raining - stops
22. were watching - failed
23. stayed – had lived
24. sat – were being repaired
25. turned – went – had forgotten
26. has changed - came
27. were talking – started - broke
28. had done
29. has been standing
30. have spent - got
31. were - studied
32. met – had been working
33. had finished - sat
34. has
35. has been

BT: CHIA ĐỘNG TỪ CÁC THÌ
1.It (rain) is raining hard. We can't do anything until it (stop) stops
2.Last night we (watch) were watching TV when the power (fail) failed
3. That evening we (stay) stayed up to talk about the town where he (live) had lived for some years.
4.I (sit) sat down for a rest while the shoes (repair) were being repaired
5. Half way to the office Paul (turn) turned round and (go) went back home because he (forget) forgot to turn the gas off
6.London (change) has changed a lot since we first (come) came to live here
7.While we (talk) were talking on the phone the children (start) started fighting and (break) broke a window.
8.He used to talk to us for hours about all the interesting things he (do) has done in his life.
9.You know she (stand) has stood looking at that picture for the last twenty minutes.
10.I ( spend) have spent a lot of time travelling since I (get) got this new job
11. When we (be) were at school we all (study) studied Latin.
12.When I (meet) met him, he (work) had worked as a waiter for a year.
13.After he (finish) had finished breakfast he (sit) sat down to write some letters.
14.She (have) has a hard life, but she's always smiling.
15.I think Jim (be) will be out of town
1. It (rain) ____is raining______ hard. We can't do anything until it (stop) __stop________
2. Last night we (watch) ___were watching_______TV when the power (fail) __failed________.
3. That evening we (stay) ___stayed_______up to talk about the town where he (live) ___has lived_______for some years.
4. I (sit) _____sit_____down for a rest while the shoes (repair) _____is being repaired_____.
5. Half way to the office Paul (turn) ____turned______round and (go) ___went_______back home because he (forget) ____forgot______to turn the gas off.
6. London (change) ____has changed______a lot since we first (come) ____came______ to live here.
7. While we (talk) ____were talking______on the phone the children (start) ____started______fighting and (break) ___breaking_______a window
8. He used to talk to us for hours about all the interesting things he (do) ____has done______ in his life.
9. You know she (stand) _____has stood_____looking at that picture for the last twenty minutes.
10. I (spend) ____have spent______ a lot of time travelling since I (get) __got________this new job.
11. When we (be) ___are_______ at school we all (study) _____study_____Latin.
12. When I (meet) ____met______ him, he (work) ____has work______as a waiter for a year.
13. After he (finish) _____had finished_____ breakfast he (sit) ____sat______down to write some letters.
14. She (have) ____has______a hard life, but she's always smiling.
15. I think Jim (be) ___is_______ out of town.

starts-ends
Have-slept, had rung
rises, is rising
hasn't been has lived
has got
gets
belongs
remember

it's high time that you(get)..got.......down to more serious work
that man (stand) ...has been standing.......at the bus stop for the last half hour.shall i tell him that the last bus has already gone?
by next september i (pay) ..will have paid......4,0000 pounds in income tax
at this time next week they (sit)..will be sitting....in the train on their way to paris

1. are - reach 2. comes 3. came - had left 4. has never flown
5. have just decided -would undertake 6. would take 7. was
8. am attending - was attending 9. arrive -will be waiting 10. had lived
11. got- had already arrived
12. will see - see - will have graduated
13. visited -was
14. has been - haven’t you read
15. is washing - has just repaired
16. Have you been - spent
17. have never met - looks
18. will have been- comes
19. found – had just left

Exercise
5. George would rather ...study... (study) tonight.
7. Carmen would rather ......not cook.....(not cook) for the entire family.
8. The photographer would rather that we.......stood.......... (stand) closer together than we are standing.
9. She would rather that you ...had not arrived....( not arrived) last night.
10. John would rather have ....had slept.(sleep) than worked last night.

They (study) ____have been studying______ at this school for 7 years now.
13/ They (begin) ____began______ to study at this school 7 years ago.
14/ Since when (you know) ____have you known_______ her ?
15/ How long ago (he start) ____did he start______ to learn French ?
16/ She (lose) ____lost______ her handbag on the train yesterday morning.
17/ My mother (be) __has been____ in hospital for a long time and she cannot go home yet.
18/ His dog (just run) _____has just run _____ out of the garden.
20/ He (travel) ____travelled_______ to Mexico by air last summer.
I (try) ____have been trying______ to learn French for years, but I (not succeed) ___have not succeeded_____ yet.
2/ She (read) ___has read______ all the works of Dickens.How many (you read) ___have you read______?
3/ I (wait) _____have been waiting_____ here nearly half an hour for my girlfriend; do you think she (forget)
____has forgotten______ to come ?
4/ Mary (rest) ____has been resting______ in the garden all day because she (be) ___has been_______ ill.
5/ Although John (study) ____has studied______ at the University for 5 years, he (not get) ____hasn't got______
his degree yet.
6/ Jack (go) ____has been going______ to Switzerland for a holiday. He (never, be) ___had never been__ there.
7/ We (live) ___have been lying_______ here for the last six months, and (just, decide) ___have just decided_______ to move.
8/ That book ( lie) ____has been lying______ on the table for weeks. have You (not read) __read__ it yet ?
9/ He (not be) _____hasn't been______ here since Christmas; I wonder where he (live) _____has been living_____ since
then.
10/ He (lose) _____has lost______ his books. He (look) _______has been looking_____ for them all afternoon, but
they (not turn up) _____haven't turned up______ yet.
11/ She (work) ______has been working_____ so hard this week that she (not have) ____hasn't had_______ time to go to
the cinema.
12/ Your hair is wet. (You swim) ____have you been swimming______ for a long time ?
13/ Bill is still a bad driver although he (drive)____has driven______ cars for six years.
14/ You look very tired. (You work) ____have you been working______very hard ?
15/ The phone (ring) ____has been ringing______ for 2 minutes, but I (not answer) ___haven't answered_____ it yet
chết quên cách viết r
has been standing
Có "for the last twenty minutes "nên dùng thì HTHTTD