Refer:

1. have → has

2. finish → finished

3. forget → have forgotten

4. just graduates → has just graduated

5. am trying → have tried

6. not → haven't

7. works → work

8. wait → have waited

hare → here

gir-friend → girlfriend

9. rests → rested

is → was

10. have → has

1.have-> has

2.finish-> finished

3.forget-> forgot

4.just graduates-> has just graduated

5.am trying-> have been tried

6.not come-> didn't come

7.reads-> read

8.hare-> here , forgets-> forget, gir-friend-> girl- friend

9.rests-> rested, is-> was

10.have-> has

III. Find and correct the mistakes.

1.   The flight to Vientiane have=>has departed.

2.   She hasn’t finish=>finished the letter.

3.   I forget=>have forgotten that girl’s name already.

4.   Fred’s brother just graduates=> has just graduated from university.

5.   I am trying=>have tried to learn English for years.

6.   I have been waiting for two hours, but she not come=>hasn't come yet.

7.   She reads=>read all the works of Dickens. How many have you read?

8.   I wait=>have been waiting here nearly half an hour for my gir-friend Joana; do you think she forgets=>has forgot to come?

9.   Mary rests=>has been resting in the garden all day because she is=>has been ill.

10. Although John has been studying at the university for five years he have=>has not got his degree yet.

1. have → has

2. finish → finished

3. forget → have forgotten

4. just graduates → has just graduated

5. am trying → have tried

6. not → haven't

7. works → work

8. wait → have waited

hare → here

gir-friend → girlfriend

9. rests → rested

is → was

10. have → has

1. have -> has

2. finish -> finished

3. forget -> have forgotten

4. just graduates -> has just graduated

5. am -> have been

6. not come -> hasn't come

7. reads -> has read

8. wait -> have been waiting

forgets -> has forgotten

9. rests -> has been resting 

10. have -> has

is -> has been

1. have depanteded=> depanted

2. finish=> finished

hok tốt

1/ have depanted => depanted

2/ finish => finished

3/ forget => have forgot

4/ just graduates => has just graduated

5/ since => for

=.= hk tốt!!

been being->been

since->for

open->opened

B

thì HTHT chuyển sang QKĐ

B

Ai đúng vậy ạ

1,Teaches

2,Am thinking...is knocking

3,Will pay

4,Has studied

5,Rains

7,Is sitting

8,Works

9,Is doing

10,Have made

11,Am...have forgoy

12,Has looked

13,Works

14,Is writing

15,Have you learnt

16,Gets

17,Has just graduated

18,Belongs

19,Has waited

20,Am remembering

1.My teacher (teach) ...have taught.... English at this school for six years.

2. Listen! I (think) ..think..... someone (knock) ...is knocking.... at the door.

3. Mr Smith (pay) ....pays... all of his bills at the end of the month.

4. Michael (study) ...has studied.... English for six month now.

5. It usually (rain) ....rains... very much in that part of the country.

7. My secretary (sit) ....is sitting... at a diffrent desk today.

8. Our present boss (work) ..has worked..... in this company all of his life.

9. Up the oresent, Geoger (do) ....has done... good work in this class.

10. So far, tou (make) ...have made.... no mistakes on this exercise.

11. I (be) ....am... sorry. I (forget) ..have forgotten..... that fellow's name already.

12. Jack (look) ...has looked.... no trouble with my English  lesson up to now.

13. Michael (work) ...works.... thirty hours a week.

14. At present, that author (write) ..is writing..... a historical novel.

15. How long you (learn) ...learn.... English?

16. The weather generally (get) ...gets.... quiet hot in July and August.

17. Fred's brother just (graduate) ...has graduated.... from Oxford University.

18. That brown nriefcase (belong) ....belongs... to Dr. Rice.

19. Robert (wait) ....has been waiting... for you since noon.

20. Yes, I (remember) .....remember.. that fellow's name now.

II. Change the following sentences with the Simple present, The present Continuos or the Preset Perfect

1.My teacher (teach) ..has taught..... English at this school for six years.

2. Listen! I (think) ..think..... someone (knock) ....is knoocking... at the door.

3. Mr Smith (pay) .pays...... all of his bills at the end of the month.

4. Michael (study) .has studied...... English for six month now.

5. It usually (rain) ..rains..... very much in that part of the country.

7. My secretary (sit) ..sits..... at a diffrent desk today.

8. Our present boss (work) ...work.... in this company all of his life.

9. Up the oresent, Geoger (do) ...has done.... good work in this class.

10. So far, tou (make) ...has made.... no mistakes on this exercise.

11. I (be) ...am.... sorry. I (forget) ....forget.. that fellow's name already.

12. Jack (look) .....has looked.. no trouble with my English  lesson up to now.

13. Michael (work) ....works... thirty hours a week.

14. At present, that author (write) ...is writting.... a historical novel.

15. How long ...have..... you (learn) .learn..... English?

16. The weather generally (get) .gets...... quiet hot in July and August.

17. Fred's brother ......has.....  just (graduate) ....graduated... from Oxford University.

18. That brown nriefcase (belong) ....belongs... to Dr. Rice.

19. Robert (wait) ..has waited..... for you since noon.

20. Yes, I (remember) .....remember.. that fellow's name now.

1 really is->is really

2 has graduated->graduated

3 in->for

4 at->on

5 more comfort->more comfortable

6 are->is

7 the same->the same as

8 celebration->celebrating

9 this neighbor->this neighborhood

10 on->for

1.When he (return).....returns....,I will give him the keys.

3.Jack is trying to give up smoking.He (not/have)..haven't had..any cigarette for a week

4.She(wear)...will be waering....your new hat when you see her tomorrow on the way to supermarket

5.While my son (play)...is playing....the piano ,my daughter (learn)...is leaning...English through the songs

6.Jackson thanked me for what I (do)......had done......for him

7.I am sorry.I (forget).....have forgotten.....that fellow is name already

8.Mary(look)....has looked...no trouble with my English lesson up to now

9.The weather ganerally (get)..gets...quite hot in May and June

10.By the time I got to Linh is house,she (already/leave)...had already left...for work

11.I am going to bed.I (work)..have been working..for hours,and I am so tired now

12.We(not live)......haven't lived......in England for two years now