Giúp em với ạ . Em mới học dạng này nên còn vài câu chưa hiểu , mong mọi người giúp với .
Điền modal perfect
1. I realized that my house was on fire~
That (be) a terrible moment
2. I saw a ghost last night - You(not see) a ghost , there aren't any ghost . You (dream) it.
3. There (be) motor cycles on the sands but as it so wet , they have been cancelled.
4. As I was standing in the hall , your dog bit me.-
It (not be) my dog , he was with me all day. It(be)my brother's
5. The president (unveil) the statue , but he is ill so his wife is doing instead .
6. I didn't recognize the voice at the other end of the line. It(be) my elder sister : she is often at home at that time. It (not be) my younger sister,as she is abroad.

Put the verb in brackets in the Present Perfect Tence:

1. Nam ( study ) _____ since last May.

2. ( you / ever be ) _____ to Da Lat ?

3. His father ( just / sell ) ______ his old house.

4. Nurses ( look ) _____ after patients in hospital since last night.

5. ( you / ever / see ) _____ a ghost ? - No, _____

6. They ( live ) _____ in that house for ten years.

7. I ( work ) _____ with him since 1998

8. She ( study ) _____ English rof 3 years now.

9. I ( not see ) _____ my form teacher for two weeks.

10. They ( live ) _____ there for the whole life.

23 Were I to become president my first act (be) to help the poor

24 If he (listen) to his father's advice, he would still be working here

25 If she hadn't stayed up late last night, she (not/be) tired now

26 1 feel as if my head (be) on fire now, doctor.

27. He always talks as though he address) at a public meeting

28 It was our fault to keep you waiting so long. We (Inform) you in advance

29 Had I known her address, I (go) to visit her

30 He looked frightened as it he (see) a ghost

31. I wish I (see) her off at the airport yesterday

32 Tom wishes he (have) enough money to buy a new car now.

33 wish I have a day at to visit his parents. He hasn't seen them for ages

34 He wishes he (/by) that old car

4. I'm smoke, but I (have) plenty of monkey now it I (not/spend) so much yesterday.

3. (your parents/not/be) proud if they could see you now?

26. I feel as if my heard (be) on fire now, doctor.

27. he always talk as though he (address) at a public meeting

28. It was our fault to keep you waiting so long. We (inform) you in advance.

29. Had I known her address, I (go) to visit her.

30. He looked frightened as if he (see) a ghost.

31. I wish I (see) her off at the airport yesterday.

32. To wishes he (have) enough money to buy a new car now.

34. I wish I (have) a day off visit his parent. He hasn't seen them ages.

35. He wishes he (not/buy) that old car.

A put the verb in brackets into the correct from

1 the engine starts if you (turn) .....this key

2 if it (not be)........ for you , i would be late

3 What (you/say) .......if i offered you a job?

4 the children always (get).......frightened if they watch horror films

5 i can't help feeeling sorry for the hungry children . Iff only there (be).....peace in the world

6 were i to become president, my first act (be) .....to help the poor

7 i feel as if my head(be) ......on fire now, doctor

8 he always talks as though he (address)........ at a public meeting

9 it was our fault to keep you waiting so long . we (inform)......you in advance

10 Had i know her address , i (go) .....to visit her

11 he looked frightened as if he (see) ........ a ghost

12 Tom wishes he (have) ........enough money to buy a new car now

13 Mary wishes she (become)........ an astronaut someday

14 i wish(have) ...... a day off to visit his parents . he hán't seen them for ages

15 he wishes he(not/buy) ......that old car

Put the verbs in brackets in the Present Perfect Tense

1.Nurse(look).............. after patients in hospi tals since last night .

2. ( you/ever/see).............. a ghost?- No,

3. They (live).................in that house for 10 years 

4. I (work) ......................... with him since 1998

5. She (study) ......................English for 3 years now 

6. I ( not see) ....................... my form teacher for 2 weeks

7.They (live ) ......... there for the whole life

8.(you/meet).......... him seen we said goodbye?

9.Where(you/be) ....................simce 2008?

10.We (not/get)................. in touch with him for years ?

11.I(not/know) ...............Halong Bay yet

12.My Father(watch).................this film many times

13.( you / see).................Lan recently? _No ,

14.I( never/see )........................Lan again since we left school

15.We (not /eat ).....................in that restaurant for 2 years 

16.I (do ) .........................-my homework since last night 

17 She (go) ........To Da Lat since last summer

1.     Her son (not visit) …………………her for a long time.

2.     I’d like to meet a ghost, but I never (see)…… ………one.

3.     They (move) ………..here in 2010. They (be) ……here for a long time.

4.     They (live)……… … in that house since it (build) ……........

5.     I used (smoke)…… ……..20 cigarettes a day.

6.     John and I (be) …………… .  pen pals for many years.

7.     Paper money (use)…… …….for over a thousand years.

8.     Almost every one (enjoy)…… …….the lecture last night.

9.     English (teach)……… ……in the schools of almost every nation.

10.            That old rest house (build)…… ……..in the year 1882.

11.            Her bike (fix)……… ……. at the moment.

12.            This book must (return)…… ……………to the library tomorrow.

13.            Many trees (cut) …………… down for supply of wood recently.

14.            The name of the new town (choose)………. by the committee tomorrow.

Many books (write) ………………..about the Second World War