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1. I didn’t have an umbrella with me so I got wet.
I wouldn’t have got wet if I had had an umbrella.
2. I’ll call the police if you don’t leave me alone.
Unless you leave me alone, I'll call the police.
3. In the snowy weather we don’t go to school.
If the weather is snowy, we don't go to school.
4. Without Jack’s help, I wouldn’t have been able to move this table.
If Jack hadn't helped, I wouldn't have been able to move this table.
5. You drink too much coffee, that’s why you can’t sleep.
If you didn't drink too much coffee, you could sleep.
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14. The park is over there, only 5 minutes’ walk. => If you walk to the park over there, it takes you only 5 minutes.
15. Leave me alone or I’ll call the police. =>Unless you leave me alone, I will call the police.
16. If you arrive at the office earlier than I do, please turn on the airconditioner. => Should you arrive at the office earlier than I do, please turn on the airconditioner.
17. The children don’t go to school in the snowy weather. => If it is snowy, The children won’t go to school...................................................................................
19. 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.
20. The car breaks down so often because you don’t take good care of it.
=> Were I..........to take good care of the car, it would not break down......................
21. He is very bad tempered, that’s why his wife left him soon after marriage.
=> If he were not bad tempered, his wife wouldn't have left him soon after marriage...........
22. Don’t tell lies to your boss or you’ll be fired at once.
=> If........you tell lies to your boss, you 'll be fired at once.............
23. She got married at such an early age: otherwise, she would be at university now.
=> Had it not been for her marriage at such an early age, she would be at university now..........
Exercise 9 : Rewrite the following sentences
14. The park is over there, only 5 minutes’ walk. => If you walk...........5 minutes, you will reach the park............................................
15. Leave me alone or I’ll call the police. =>Unless....you leave me alone, i won't call the police............................................................................................
16. If you arrive at the office earlier than I do, please turn on the airconditioner. => Should.........you turn on the airconditioner when you arrive at the office earlier than I do..................................................................................
17. The children don’t go to school in the snowy weather. => If it .......is snowy, The children won’t go to school...................................................................................
19. 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...............................................................................
1. Humans have fused(fuse) the power of moving water for more than 2,000 years.
-Thì hiện tại hoàn thành diễn tả hành động kéo dài từ quá khứ đến hiện tại và còn có thể xảy ra trong tương lai: S + has/have + PII + ...
-Trong câu có dấu hiệu "for" là của hiện tại hoàn thành.
2. I’ll call you at 8 o’clock tonight. What will you be doing(you/do) then?
-Thì tương lai tiếp diễn diễn tả hành động sẽ đang xảy ra vào 1 thời điểm cụ thể ở tương lai: S + will be + Ving +.....
-Dấu hiệu trong câu: at 8 o'clock tonight.
3. At present, global demand for energy is increasing (increase) rapidly.
-Thì hiện tại tiếp diễn diễn tả hành động đang xảy ra tại thời điểm nói: S + am/is/are + Ving + ....
-Dấu hiệu trong câu: At present
4. Three years ago. we installed(install) a solar water heating system on our roof
-Thì quá khứ đơn diễn tả hành động đã xảy ra và kết thúc trong quá khứ: S + V(ed/bất quy tắc)+......
-Dấu hiệu: Three years ago.
5. What will happen(happen) if non-renewable resources run out?
-Câu điều kiện loại 1 diễn tả điều có thể xảy ra ở hiện tại hoặc tương lai: If + S + V(hiện tại đơn), S + will/can + V(infinitive)
6. A small hydropower plant will be built(build) on the river in ten years time. .
-Thì tương lai đơn diễn tả hành động sẽ xảy ra trong tương lai: S + will + V(infinitive)+....
-Bị động thì tương lai đơn: S + will be + PII + (by O)+.....
-Dấu hiệu trong câu: in ten years time
7. If the electricity makes(make)from wind turbines, it is green.
Câu điều kiện loại 0 diễn tả sự thật, chân lí :If + S + V(hiện tại đơn), S + V(hiện tại đơn)
8. Burning fossil fuels emits(emit) gases that are harmful to the environment.
-Thì hiện tại đơn diễn tả sự thật: S + V(s/es)+.....
-"Burning fossil fuels" là N số ít(chỉ 1 hành động) -> Thêm "s" sau emit
9. We decided to invest (invest) our time and effort on this new research project
-Decide to V: Quyết định làm gì.
10. You should avoid using(use) cars or motorbikes for short trips.
-Avoid Ving: Tránh làm gì
#\(Vion.Serity\)
#\(yGLinh\)
III. Rewrite the sentences below so that their meaning stay the same.
1. I'll call the police ì you don't leave me alone.
Unless...you leave me alone, I'll call the police.........................................................
2. You can't visit Moscow unless you get a visa.
If you........don't get a visa, You can't visit Moscow..........................................................
3. Unless he phones right now, he won't get any ìnormation.
If.......he doesn't phone right now, he won't get any ìnormation.......................................................................
IV. Rewrite the sentences: (TYPE I)
1. Work hard and you will pass the exam.→→ If...you work hard, you will pass the exam........
2. Hurry up or you'll be late for class.→→If you.....don't hurry up, you'll be late for class......
3. Stop borrowing money , or you'll be in trouble.→→If....you don't Stop borrowing money , or you'll be in trouble......
III. Rewrite the sentences below so that their meaning stay the same.
1. I'll call the police ì you don't leave me alone.
Unless you leave me alone, l'll call the police ...........................................................
2. You can't visit Moscow unless you get a visa.
If you don't get a visa,you can't visit Moscow .................................................................
3. Unless he phones right now, he won't get any ìnormation.
If he doesn't phone right now,he won't get any information ............................................................................
IV. Rewrite the sentences: (TYPE I)
1. Work hard and you will pass the exam.→→ If you work hard ,you will pass the exam ..........
2. Hurry up or you'll be late for class.→→If you don't hurry up,you'll be late for class..........
3. Stop borrowing money , or you'll be in trouble.→→If you don't stop borrowing money,you'll be in trouble .........
1.if you don't take good care of it, the car breaks down so often
2.if you hurry up, you won't be late
3.if she were very busy, she couldn't help me now
4.if the weather weren't snowny, the children could go to school
5.if you take exercise, you will be fit
6.if you were careful, you would't cut yourself with that knife
7.unless i had time, i would't help you
8.unless you leave me alone, i will call the police
9.if he drives carefullly, dick doesn't often cause accidents
10.if i knew english, i could apply for that job
11. unless you tell me the whole truth, i will help you
12. unless they invited me, i wouldn't come
Question 1: The lady to whom I spoke an hour ago gave me good advice.
Question 2: I’ll give you an address to which you should write.
Question 3: The picture at which she was looking is beautiful.
Question 4: The movie about which they are talking is fantastic.
Question 5: The song which we listened to last night was interesting.
Question 6: The man to whom I talked yesterday was very kind.
Question 7: The man about whom I told you works in the hospital.
Question 8: Who was that boy with whom you were this morning?
Question 9: The man, whom I got the news from, sat next to me on the bus this morning.
Question 10: The train on which we traveled was full of passengers and goods.
if you don't leave me alone , I’ll call the police
If you don't leave me alone, I will call the police