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EX. Chia đt trong ngoặc
1. If you (go) go away, please write to me.
2. If you (be) had been in, I should have given it to you.
3. If you (eat) eat another cake, he will be sick.(có sai chủ ngữ ko vậy?)
4. I (not do) wouldn't do that if I (be) were you.
5. If he (take) takes advice, everything can go well.
6. I'd have come sooner If I knew you were here.
7. he never docs homework. If he (do) his homework. ???
8. If you played for us, we (win) would win.
9.What will you (do) do If she refuses your invitation?
10. If today (be) is Sunday, we(go) will go to the beach.
11. Unless they (pass) passed their examinations, they would join the army.
12. You (be)will be ill If you drink that water.
13.If Tom (go) went to bed earlier, he would not be so tired.
14. Had we known your address, we (Write) would have written you a letter
15.If it's raining heavily, we (not go) won't go for a donkcy ride.
16. If he (try) tries hard, he'll pass the examination.
17. I could understand the teacher if she (speak) spoke more sÌowly.
18.If she (not be) hadn't been busy, she would have come to the party.
19. If I (finish) finish the work now, l(go) will go to the football game.
20. If you( see) see Mary today, please (ask) ask her to call me
EX. Chia đt trong ngoặc.
1. If you (go) go away please write to me. (ĐK loại 1)
2. If you (be) had been in, I should have given it to you. (ĐK loại 3)
3. If you (eat) eats another cake, he will be sick. (ĐK loại 1)
4. I (not do) wouldn't do that if I (be) were you. (ĐK loại 2)
5. If he (take) takes advice, everything can go well. (ĐK loại 1)
6. I'd have come sooner If I know you were here.
Câu này sai thì pải!
Sửa: I know \(\rightarrow\) I had known (ĐK loại 3)
7. He never does homework. If he (do) did his homework. (ĐK loại 2)
8. If you played for us, we (win) would win. (ĐK loại 2)
9. What will you (do) do If she refuses your invitation? (ĐK loại 1)
10. If today (be) were Sunday, we (go) would go to the beach. (ĐK loại 2)
11. Unless they (pass) passed their examinations, they would join the army. (ĐK loại 2)
12. You (be) will be ill If you drink that Water. (ĐK loại 1)
13. If Tom (go) went to bed earlier, he would not be so tired. (ĐK loại 2)
14. Had we known your address, We (write) would have written you a letter. (ĐK loại 3)
15. If it's raining heavily, we (not go) won't go for a donkcy ride. (ĐK loại 1)
16. If he (try) tries hard, he'll pass the examination. (ĐK loại 1)
17. I could understand the teacher if she (speak) spoke more slowly. (ĐK loại 2)
18. If she (not be) hadn't been busy, she would have come to the party. (ĐK loại 3)
19. If I (finish) finish the work now, I (go) will go to the football game. (ĐK loại 1)
20. If you( see) see Mary today, please ( ask) ask her to call me. (ĐK loại 1)
Good luck!

Complete the second sentence so that it has the same meaning to the first one.
1.Don't be impatient or you will make mistakes.
⇒ If you are impatient, you will make mistakes.
2.I didn't eat lunch ,I feel hungry now.
⇒ If I had eaten lunch, I wouldn't have felt hungry now.
3. It hadn't rained,we would have a better crop.
⇒ But for rain, we would have a better crop.
4. If you want my advice,I wouldn't buy it.
⇒ If I were you, I would,'t buy it.
5. I only come if they invite me.
⇒ Unless they invite me, I won't come.
6.He didn't revise all his lessons,he failed the exam.
⇒ If he had revised all his lessons, he wouldn't have failed the exam.
7.His sister sent her money,so he continued to study.
⇒ But for his sister's money, he wouldn't have continued to study.
8.The park is over there,only 5 minutes' walk.
⇒ If you walk to the park, it will take you 5 minutes.
9. In case it rain,we'll stay at home.
⇒ If it rains, we'll stay at home.
10. Let me give you my advice.You should cut down on smoking right now.
⇒ If I were you, I would cut down on smoking right now.
11.Leave me alone or I'll call the police.
⇒ Unless you leave me alone, I'll call the police.
12. If you arrive at the office earlier than I do,please turn on the air-conditioner.
⇒ Should you arrive at the office earlier than I do, please turn on the air- conditioner.
13.The children don't go to school in the snowy weather.
⇒ If it snows, the children won't go to school.
14.He died so young ;otherwise,he would be a famous musician by now.
⇒ Had he not died so young, he would have been a famous musician by now.
15.You must tell me the whole truth or I won't help you.
⇒ Unless you tell me the whole truth, I won't help you.
16.The car breaks down so offen because you don't take good care of it.
⇒ Were I you, I would take good care of it.
17.He is very bad-tempered,that's why his wife left him soon affer marriage.
⇒ If he hadn't been very bad- tempered, his wife wouldn't have left him soon after marriage.
18.Don't tell lies to your boss or you'll be fired at once.
⇒ If you do tell lies to your boss, you'll fired at once.
19.She got married at such an early age:otherwise,she would be at university now.
⇒ Had she not got married at such an early age, she would have been at university now.

6. I (not do)WOULDN'T DO that if I (be)WERE you.
7. We (go)WILL GO swimming if today (be)IS Sunday
8. If they (know)KNOW your address, they (meet)WILL MEET you.
9. Where WOULD you GO(go) if you HAD(have) a car?
10. If he (do) DOES his homework, he WON'T WORRY(not worry) about the examination.

2)We will stay at home if it (rain) rains
3)If I had enough money now, I (buy) would buy a computer.
4)If he (be) were a prime minister, he would spend more money on education.
5)If we win the lottery, we (give) will give them half of the money.
6)She will need new clothes if she (get) gets any fatter.
7)If he (play) played football all day, he would get very tired.
8)If the young man wanted to see me, he (come) would come to my office.
9)If Henry is late, the train (not, wait) won't wait
10)I will go with him if he (go) goes
11)You will be ill if you (eat) eat too much.
12)If she were older, she (have) would have more sense.
13)If you (read) read that book carefully, you would understand it.
14)My uncle (be) would be able to help us if he (be) were here now.
15)If it (be) is fine tomorrow, I (play) will play tennis.
16)Were I you, I (not do) wouldn't do that.
17)If you (go) go away, please write to me.

1 If I see him I (give)will give him a lift.
2 The table will collapse if you (stand)stand on it.
3 If he (eat)eats all that he will be ill.
4 If I find your passport I (telephone)wil telephone you at once.
5 The police (arrest)will arrest him if they catch him.
6 If he (read) reads in bad light he will ruin his eyes.
7 Someone (steal) will steal your car if you leave it unlocked.
8 What will happen if my parachute doesn't open (not open)?
9 If he (wash)washes my car I'll give him £10.
10 If she (need)needs a radio she can borrow mine.
11. If you (not go) don't go away I'll send for the police.
12. I'll be very angry if he (make)makes any more mistakes.
13. If he (be)is late we'll go without him.
14. She will be absolutely furious if she (hear)hears about this.
15. If you put on the kettle I (make)will make the tea.
16. If you give my dog a bone he (bury) will bury it an once.
17. If we leave the car here it (not be)will be in abybod's way.
18. He'll be late for the train if he (not start)doesn't start at once.
19. If you come late they (not let)don't let you in.
20. If he (go) goes on telling lies nobody will believe a world he says.
21. Unless he (sell) sells more he won't get much commission.
22. If I lend you Ł10 when you (repary)wiil repary me?
23. We'll have to move upstairs if the rivier (rise)rises any higher.
24. If he (work)works hard today can he have a holiday tomorrow?
25. Ice (turn)will turn to water if heat it.
26. If the house (burn)burns down we can claim compensation.
27. If you (not like)don't like this one I'll bring you another.
28. Unless you are more careful you (have)will have an accident.
29. Tell him to ring me up iy you (see)see him.
30. If I tell you a secret, you (promise)will promise not to tell it to anyone else?
31. If you (not believe)won't believe what I say, ask your mother.
32. If he (like) likes the house will he buy it?
33. If you will kindly sit down I (make)makes enquiries for you.
34. Unless I have a quiet room I (not be able)won't be able to do any work.
35. She won't open the door unless she (know)knows who it is.
36. Should you require anything else please (ring)ring the bell for the attendant
1 If I see him, I WILL GIVE him a lift.
2 The table will break if you SIT on it.
3 If he EATS all that, he will be ill.
4 If I find your passport, I will telephone you.
5 The police WILL ARREST him, if they catch him.
6 If he READS in bad light, he will ruin his eyes.
7 Someone WILL STEAL your car if you leave it unlocked.
8 What will happen if my parachute DOES NOT OPEN?
9 If he WASHES my car, I'll give him $10.
10 If she NEEDS a radio, she can borrow mine.
11 If you DO NOT GO away, I'll call the police.
12 I'll be very angry if he MAKES any more mistakes.
13 If he IS late, we'll go without him.
14 She will be absolutely furious if she HEARS about this.
15 If you put on the kettle, I WILL MAKE some tea.
16 If you give my dog a bone, he WILL BURY it.
17 If we leave the car here, it WON'T BE in anybody's way.
18 He'll be late for the train if he DOESN'T START at once.
19 If you come late, they WON'T LET you in.
20 If he GOES on telling lies, nobody will believe a word he says.
21 Unless he SELLS more, he won't get much commission.
22 If I lend you $10, when WILL you REPAY me?
23 We'll have to move upstairs if the river RISES any higher.
24 If he WORKS hard today, can he have a holiday tomorrow?
25 Ice TURNS to water if you heat it.
26 If the house BURNS down, we can claim compensation.
27 If you DON'T LIKE this one, I'll bring you another.
28 Unless you are more careful, you WILL HAVE an accident.
29 Tell him to ring me up if you WILL SEE him.
30 If I tell you a secret, WILL you PROMISE not to tell it to anyone else?
31 If you DON'T BELEIVE what I say, ask your mother.
32 If he LIKES the house, will he buy it?
33 If you kindly sit down, I WILL MAKE enquiries for you.
34 Unless I have a quiet room, I WON'T BE ABLE to do any work.
35 She won't open the door unless she KNOWS who it is.
36 Should you require anything else, please RING the bell for the attendant.

If i (be) were You. I(tell) would tell Them the truth
2. I (not go) won't go To his house unless you go with me
3.we could have a drink if it weren't (Not be) so late
4.please don't distrust him if he(be) is Busy
5.if ice(be) were heavier than water, it(not float) wouldn't float
6.they would be glad if the rain(stop) stopped soon
7.if Jack (come) had come to my party, i would have danced with him
8.it's too bad Helen isn't here. If she(be) were Here, she(know) would knew what to do
9.Lee will go to a Desneylanf if he(save) saves enough money

Chia động từ:
1. If he (study) hard, he'll pass the final exam. STUDIES
2. If today were Christmas day, the children (receive) toys from Santa Claus. WOULD RECEIVE
3. If it (be) fine tomorrow, we'll plant some flowers in the garden. IS
4. If I (have) enough money, I'll take a trip to Ha Noi. HAVE
5. If the children finish their homework early, they (watch) the games on TV. WILL WATCH
6. If the road were repaired, there (not be) such a bad accident. WOULDN'T BE
7. It's raining now. You (get) wet if you don't wear you raincoat. WILL GET
8. She's a little bit lazy. If she (work) harder, she will get better grades. WORKS
9. He is an active student. If he (be) here today, he would have some activities for the meeting. HAD BEEN
10. If it (not rain) tomorrow, we'll go to the park. DOESN'T RAIN
11. If she (need) a computer, she can borrow mine. NEEDS
12. Can I have a day of tomorrow if I (work) hard today? WORK
13. If you (speak) more slowly, he might understand you. SPOKE
14. The trip can be postponed if the weather (be not) fine. ISN'T
15. If she (want) to get there before dark, she should start at once. WANTED
1. If you (go) _go_ away, please write to me.
2. If he (eat) __eats_ another cake, he will be sick.
3. If men (be) __were_ only more reasonable, there would be no more war.
4. If it is convenient, let’s (meet) _meet_ at nine o’clock.
5. It will be impossible for me to finish my work if you (not cease) _don't cease_ this chatter.
6. If he (take) __took__ my advice, everything can go well.
7. He never does his homework. If he (do) _did_ his homework, he (not worry) __wouldn't worry__ about his examination.
8. What will you (do) __do_ if she refuses your invitation?
9. If today (be) _was_ Sunday, we (go) _would go_ to the beach.
10. They (make) __would make__ fewer mistakes if they were more careful.
11. Unless they (pass) __passed__ their examinations, they would join the army.
12. You (be) _will be_ ill if you drink that water.
13. If Tom (go) _went__ to bed earlier, he would not be so tired.
14. If he (try) __tries__ hard, he’ll pass the examination.
15. I could understand the French teacher if she (speak) __speaks__ more slowly.
16. If we (invite) _invite_ her, she might go dancing with us.
17. These plants will die if you (not water) _don't water_ regularly.
18. If you pass the examination, we (have) __will have_ a celebration.
19. If I (be) _were_ you, I would tell him the truth.
20. If he (have) _has_ much money, he’ll buy a house.
If you (go) ____go______ away, please write to me.
2. If he (eat) ___eats_______ another cake, he will be sick.
3. If men (be) _____were_____ only more reasonable, there would be no more war.
4. If it is convenient, let’s (meet) ___meet_______ at nine o’clock.
5. It will be impossible for me to finish my work if you (not cease) _____don't cease_____ this chatter.