1/

1. have seen

2. have visited

3. have eaten

4. finishes

1.

1/ have seen

2/ have visited

3/ have already eaten

4/ has finished

2.

1/ haven't had (jztr sao lại have sb :v??)

2/ have -> has

3/ since -> ∅

refer

1.A: I met....(meet) Simon Jones last week.
B:Really. I ...haven't seen..( not/see) him for a long time.
2.A: ....Did you do..(you/do) anything this evening?
B:No, I ..stayed.(stay) at home this evening because i ...was.(be) tired.
3.A: .....Has-phoned..(Steve/phone) me?
B:No, he ..hasn't phoned .(not/phone) me.  I ...will probably give.(probably/give) him a call later this evening.
4.A: ....Are .(be) you busy?
B:Yes, I .am..(be).
A:What ..are you doing.(you/do)?
B: I ...am studying..(study) for an exam at the moment
5.A: Why are your eyes red?
B: Because I ..have been working...(work) on the computer for 3 hours
6.A: ..Have you ever gone....(you/ever/go) to France?
B: Yes, I .went..(go) there on holiday last year
A; I ..have never gone.(never/go) there but I want to go next year
7.A: How long ...have you lived..(you/live) in Russia?
B: I .have lived.(live) here since I was born.
8.A: .Have you posted..(you/post) the party invitations yet?
B: Yes, I ..did.(do) it this morning
9.A: Why are you crying?
B:Because I .have just cut..(just/cut) my finger

1 met

2 haven't seen

3 are you going to do

4 am staying

5 am

6 Did Steve phone

7 didn't phone

8 will probably give

9 have been working

10 Have you ever gone

11 went

12 Have never gone

13 have you lived

14 have lived 

15 have you posted

16 have done

17 have just cut

21.If I (be) were you, I (tell) would tell her the truth.

22.Why didn’t you attend the meeting? Oh, I (not know) didn't know indeed. If I (know) knew I (come) will come there.

23.What should we (do) do if they (not come) won't come tomorrow?

24.If you meet him, remember (not tell) not to tell him what I (just say) just said to you.

25.If I (have) have enough time now, I (write) will write to my parents.

26.It’s too bad Helen isn’t here. If she (be) is there, she (know) knows what to do.

27.If I (not eat) won't eat breakfast tomorrow morning, I (get) will get hungry during class.

28.I (change) will change the present economic policy if I (be) am the President of the United States.

29.If the weather (be) was nice today, we (go) would go to the zoo.

30.If I (be) would in your position, I (not do) wouldn't did that.

31) If we meet at 9:30, we will (have) plenty of time.

32) Lisa would find the milk if she would look (look) in the fridge.

33) The zookeeper would have punished her with a fine if Trang 28 she feeded(feed) the animals.

34) If you spoke louder, your classmates would understood (understand) you.

35) Dan arrived (arrive) safe if he drove slowly.

36) You won't had (have) no trouble at school if you had done your homework.

37) If you swim (swim) in this lake, you'll shiver from cold.

38) The door will unlock if you press (press) the green button.

39) If Mel asked (ask) her teacher, he'd have answered her questions.

40) I would call (call) the office if I were you.

Làm giúp mik với

​1.WILL You (let) .LET... me know the minute you (hear).HEAR.. any news.

​2. Do you understand what we (talk)..ARE TALKING..about.

​3. Well, I don't think I ever (see).SEEN.. you before.

​4. I (go)WENT... to meet him at the station but I didn't see him

​5. The old people often think of all the things thêy (do)..DID. when they were young.

​6. I (not see)..HAVEN'T SEEN. him since last night.

Peach

​3. Well, I don't think I have ever (see)..seen. you before.

1/ I had no maps, that's why i got lost. If i (have) had had a map i (be) would have been  all right.

2/ the job is much worse than i expected. If i (realise) realised/had realised how awful it was going to be I (not accept) wouldn't accept/would not have accepted it.

3/I'm sorry you didn't tell me that dogs were allowed in hotel; if i (know) had known i (bring) would have brought my dog. He (enjoy) enjoys the walk.

4/ It rained, which spoiled our picnic, but if it (not rain)hadn't rained it (be)would have been a great success.

5/ I didn't recognize him at first because he was wearing dark glasses, if he (not wear)hadn't worn them, i( recognize) would have recognized  him immediately.

6/ Why didn't you phone me from village ?

Because there was no phone in the village. if there (be)had been, of course we (phone)would have phoned from there.

make the questions

1. I like TV game shows best.

.....What do you like best...?

2. TV viewers can know about the weather in their regions from the weather forecast.

.............What can TV viewers know from the weather forecast.................?

3. We go to the zoo twice a month.

......How often do you go to the zoo.......?

4. We can meet in front of the theater at 7:30.

......What time can you meet in front of the theater......?

5. Bod likes the comedy because it makes him laugh

............Why does Bob like the comedy?.......

make the questions

1. I like TV game shows best.

..........................What is your favourite game shows ?...................

2. TV viewers can know about the weather in their regions from the weather forecast.

..........Where can TV viewers know from the weather forecast?.............

3. We go to the zoo twice a month.

............................How often do you go to the zoo?...........

4. We can meet in front of the theater at 7:30.

................What time can you meet in front of the theater?................

5. Bod likes the comedy because it makes him laugh

.................Why does Bod like the comedy?...............

1. I didn't know that you were in hospital, so I didn't visit you.

If I had known tha you were in hospital, I would have visited you.

2. Hurry up or you will be late

If you don't hurry up, you will be late.

3. She is very busy, so she can't help me now

If she weren't very busy, she could help me now.

4. He didn't phone me because he didn't know my phone number

If he had known my phone number, he would have phoned me.

5. You're unfit because you don't take exercise

If you took (more) exercise, you would be fit/ wouldn’t be unfit.

6. Unless you are careful, you will cut yourself with that knife

If you are not careful, you’ll cut yourself with that knife

7. If i have time, I'll help you. => Unless. I have time, I won’t help you.

......

8. Dick often causes accidents because he drives carelessly

If he had studied his lessons very carefully, he wouldn’t get bad marks now.

9. I can't apply for that job because I don't know English

If Dick drove carefully, he wouldn’t cause accident (often)

10. He didn't study his lessons very carefully, so he gets bad marks now

If I knew English, I could apply for that job.

11. Susan is overweight because she eats too much chocolate

If Susan ate less chocolate, she wouldn’t be overweight

12. His father often punishesvhim for his laziness

If he weren’t lazy, his father wouldn’t punish him (often).

13. Study harder or you'll fail in the next exam

Unless you study harder, you'll fail in the next exam.

14. We did not visit the museum because we had no time

If we had had time, we would have visited the museum.

15. Without Jack's help, I wouldn't have been able to move the table 

If Jack hadn't helped, I wouldn't have been able to move the table.

1. I didn't know that you were in hospital, so I didn't visit you.

If I had known tha you were in hospital, I would have visited you.

2. Hurry up or you will be late

If you don't hurry up, you will be late.

3. She is very busy, so she can't help me now

If she weren't very busy, she could help me now.

4. He didn't phone me because he didn't know my phone number

If he had known my phone number, he would have phoned me.

5. You're unfit because you don't take exercise

If you took (more) exercise, you would be fit/ wouldn’t be unfit.

6. Unless you are careful, you will cut yourself with that knife

If you are not careful, you’ll cut yourself with that knife

7. If i have time, I'll help you.

Unless. I have time, I won’t help you.

8. Dick often causes accidents because he drives carelessly

If he had studied his lessons very carefully, he wouldn’t get bad marks now.

9. I can't apply for that job because I don't know English

If Dick drove carefully, he wouldn’t cause accident (often)

10. He didn't study his lessons very carefully, so he gets bad marks now

If I knew English, I could apply for that job.

11. Susan is overweight because she eats too much chocolate

If Susan ate less chocolate, she wouldn’t be overweight

12. His father often punishesvhim for his laziness

If he weren’t lazy, his father wouldn’t punish him (often).

13. Study harder or you'll fail in the next exam

Unless you study harder, you'll fail in the next exam.

14. We did not visit the museum because we had no time

If we had had time, we would have visited the museum.

15. Without Jack's help, I wouldn't have been able to move the table 

If Jack hadn't helped, I wouldn't have been able to move the table.

Finish each of the following sentences in such a way that it is as similar as possible in meaning to the original sentences:

1. I didn't know that you were in hospital, so I didn't visit you.

If had know that you were is hospital, I would have visited you.

2. Hurry up or you will be late

If you don't hurry up, you will be late.

3. She is very busy, so she can't help me now

If she weren't very busy, she could help me now.

4. He didn't phone me because he didn't know my phone number

If he had known my phone number, he would have phoned me.

5. You're unfit because you don't take exercise

If you took( more) exercise,you would be fit/ wouldn't be unfit.

6. Unless you are careful, you will cut yourself with that knife

If you are careful, you'll cut yourself with that knife.

7. If i have time, I'll help you. => Unless. I have time, I won't help you.

8. Dick often causes accidents because he drives carelessly

If he had studied his lessons very carefully, he wouldn't get bad marks now.

9. I can't apply for that job because I don't know English

If Dick drove carefully, he goodn't accident( often).

10. He didn't study his lessons very carefully, so he gets bad marks now

If I knew English, I could apply for that job.

11. Susan is overweight because she eats too much chocolate

12. His father often punishesvhim for his laziness

13. Study harder or you'll fail in the next exam

14. We did not visit the museum because we had no time

15. Without Jack's help, I wouldn't have been able to move the table 

Ex17: Complete B's answers. Some sentences are positive and some are negative. Use the present perfect tence of the verbs in the box:

be; eat; read; have; meet; play; try; see; know;

1. A: Who's that woman by the door?

B: I don't know. I ..have never met... her before.

2. A: Are you hungry?

B: Yes. I ....have tried..... much today.

3. A: Can you play chess?

B: Yes, but I ....have played.......... for ages.

4. A: Did you enjoy your holiday?

B: Yes. It's the best holiday I ...have (ever) had........ for a long time.

5. A: What's that book like?

B: Very interesting. I .....have read... it three times.

6. A: Is Paris an interesting place?

B: I'về no idea. I ....have never been....... there.

7. A: Do you like spaghetti?

B: I don't know. I .....have never eaten...... it.

8. A: How well do you know him?

B: Very well. We ...have known...... each other since we were children.

1.the reason for

2.as there was a

3.as a result

4.why she leaves 

5.He wasn't experienced enough to get the job

A) Complete the sentences using the words in bold. Use two to five words

1. no one knows why they are emigrating ( for )

-> No one knows.........the reason for...........emigrating

2.They couldn't go to the post office because of a snowstorm ( as )

-> They couldn't go to the post office..........as there was a...........snowstorm

3.She had a very bad night's sleep, so she was exhausted. ( result )

-> She had a very bad night's sleep....as a result............she was exhausted

4. Do you know the reason for her leaving her job ( why )

-> Do...........///............. her job

5. He didn't get the job because he was inexperienced ( to )

-> He didn't get the job........///............experience