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1. If I had enough money, I would buy that latop.
2. If I had enough money, I could buy that expensive dictionary.
3. Unless we mustn't do our homework well, our teacher will get angry with us.
4. Unless you keep your feet dry, you will catch a cold.
5. If she knew you were in hospital, she would visit you.
6. If you don't water the plants everyday, they will die.
7. Had the police found out him. he would have been introduce.
8. If it hadn't been our father's encouragments, we couldn't have got the prize.
9. If Nam hadn't helped me, I wouldn't have been able to solve this difficulty.
10. If John didn't eat so many chips, he wouldn't be fat.
11. Had Laura not supported me, I wouldn't have been able to finish the project.
12. If you weren't lucky, you might not get your novel published.
13. If I advice Mary, my advice is that she should apply for that job.
14. Without air, we can't survice.
15. Had it not been your warming, I could't prevent my failture in the test.
16. Unless it is sunny, they won't go swimming.
17. Without efforts from everyone of us, we could have lost that match.
Bạn@Phạm Thúy Hường có vẻ là bạn nhầm câu 3,8 một chút rồi bạn ạ!
3:Unless we must do our homework well ,our teacher will be very angry.
(thế này nha bạn : nếu chúng tôi không làm bài về nhà tốt thì cô giáo sẽ giận.
vì unless=if not rồi bạn ạ ,bạn không cần thiết phải cho thêm not vào vế đầu , như vây là sai rồi đó!)
8:Câu này bạn thiếu for sau hadn't been rồi nha!
Còn các câu sau thì ổn cả rồi bạn ạ!
Mình chỉ nhận xét vậy thôi nha!

Chia động từ
1.If you (study)...study.......hard, you'll the exam.
2.If they did this exercise, they (not punish)......wouldn't punish.......by their teacher.
3.If they had helped me, I (pass)....would have pased.........the exam.
4.If we (have)....had......enough money, we would buy that house.
5.If I (know)....had knew....who you are I wouldn't have asked her your name.
6.were I (know)....knew.........your address, I would visit you.
7. Should she phone me, I (answer)...will answer....her.
8.She (know).......had knew......my address, she would have visited me.
Chia động từ
1.If you (study)......study....hard, you'll the exam.
2.If they did this exercise, they (not punish)......WOULDN'T BE PUNISHED.......by their teacher.
3.If they had helped me, I (pass)......WOULD HAVE PASSED......the exam.
4.If we (have)......HAD....enough money, we would buy that house.
5.If I (know)...HAD KNOWN....who you are I wouldn't have asked her your name.
6.were I (know).......TO KNOW.....your address, I would visit you.
7. Should she phone me, I (answer)....WOULD ANSWER...her.
8.HAD She (know)........KNOWN.....my address, she would have visited me.

Đảo ngữ. Viết lại câu.
1.If you study hard, you'll the exam.
=> Do you study hard, you will pass the exam.
2.If they did this exercise, they would not punish by their teacher.
=> Did they this exercise, they would not punish by thier teacher.
3.If they had helped me, I would have passed the exam.
=> Had they helped me, I would have passed the exam.
4.If we had enough money, we would buy that house.
=> Had we enough money, we would buy that house.
5.If I had knew who you are I wouldn't have asked her your name.
=> Had I knew who you are I wouldn't have asked her your name.
6.were I knew your address, I would visit you.
=> Were I knew your address, I would visit you.
7. Should she phone me, I wil answer her.
=> Should she phone me, I will answer her.
8.She had knew my address, she would have visited me.
=> Had she knew my address, she would have visited me.

1. had known - would have visited
2. hadn't seen
3. had arrived - would have got
4. had spoken - would have understood
5. had read - would have washed
bn cho mình hỏi là tại s câu 3,4,5 lại biết là đk loại 3 z Vy Lan Lê

1: will give
2: would type
3: would have visited
4: attended
5: knew
6: had arrived
7: had
8: had not seen
9: studies
10: would you have accepted
11: will grow
12: stopped
13: what would you do...
14: does hurry
15: had tried
16: would not run
17: will you promise...
18: see
19: will arrest
20: spoke

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

1.will give. 2.would type. 3.would have visited. 4.attended. 5.knew. 6.had arrived. 7.had. 8.hadn’t seen. 9.studies. 10.have...accepted (hổng biết đúng hông nữa)
1. If I see him, I (give) will give him a gift.
2. If I had a typewriter, I (type) would type it myself.
3. If I had known that you were in hospital, I (visit) would have visited you.
4. You could make better progress if you (attend) attended class regulary.
5. If I (know) knew his telephone number, I'd give it to you.
6. If you (arrive) arrived ten minutes earlies, you would have a got a seat.
7. He could get a job easily if he (have) had a degree.
8. I shouldn't have believed it if I (not see) hadn't seen it with my own eyes.
9. If he (study) studies hard, he can the exam.
10. If she had asked you, would you have (accept) accepted?
viết lại câu bằng cách bỏ if
1. If they had realized the danger, they would have done it differently
Had they realized the danger, they would have done it differently.
2. If you should change your mind, please let me know immediately
Should you change your mind, please let me know immediately.
3. If we hadn't spent all our money already, we wouldn't get into this situation
Had we not spent all our money already, we wouldn't get into this situation.
4. If I hadn't seen it with my own eyes, I wouldn't have believed it
Had I not seen it with my own eyes, I wouldn't have believed it.