25 am watching(be quiet)

26 did you live(when you was a child)

27 does...live(hiện tại đơn)

28 are(your children)

29 is taking(look)

30 have just seen/has already done(just,already)

A.1.1 fishing(enjoy)

2 swimming(loves)

3 eating(hate)

4 living(like)

5 watching(suggest)

6 meeting(like)

7 going(how about)

8 listening( what about)

9 doing(enjoy)

2.1 to wear(it's a good idea+to Vinf)

2 to take(it's (not) necessary for somebody to do something)

3 to have(would you like + to Vinf)

3.had better/should/can + Vinf

1 have 

2 not get

3 have

4 speak

4.1 have....decided)just)

2 has come(already)

3 has been(for)

4 have...been(ever)

5 has...done(yet)

6 have...eaten(ever)

7 haven't worked(for)

8 have gone(several times)

9 hasn't played(since)

10 haven't had(since)

11 haven't gone(since)

12 have been(so far)

5.1 went(last week)

2 moved(in 2005)

3 bought( 20 years ago)

4 didn't take(when we came there)

5 weren't(last monday)

6  was(when we went out)

7 were( last sunday)

8 did...help(some days ago)

6.1 are rehearsing(at the moment)

2 watches/doesn't like/is(every day)

3 are watered( bị động hiện tại đơn)

4 will cook(tomorrow)

III.1 because mary was sick she could not go to school

2 I haven't met him for 3 years

3 lan finished her homework so she went out

4 he is fond of doing morning exercise

5 we started learning english was 3 years ago

V.1 the photograph isn't as big as the painting

2 the film we saw last week wasn't as interesting as this film

3 the journey wasn't as long as we thought at first

4 tim is the same age as hoa

5 giang can't paint as well as khanh

6 her book is different from mine

5 because of raining heavily they didn't go camping yesterday

V.1 saw(yesterday night)

2 will you do(next week)

3 visited(last summer holiday)

4 rained(last july)

5 are talking/is reading(now)

6 learnt(yesterday)

7 invited( three days ago)

8 is playing(at the moment)

9 visted/cooked(two days ago)

10 rained(last week)

11 have never watched(never)

12 watched(last night)

13 has read(before)

14 read(during my last vacation)

15 had(last week)

16 haven't had(since)

17 haven't seen/saw( for a long time/3 weeks ago)

18 was/caught(two days ago)

19 is waiting(now)

20 will feel(I hope)

21 is/takes(hiện tại đơn)

22 bought(yesterday)

23 started(a few minutes ago)

24 does phan usually go(usually)