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...you don’t stop swimming in that lake, you will have skin rashes
The residents of the street cannot sleep because of the loud noise from the music club
The tsunami made many people in this area become homeless
Many plants and trees died since the acid rain happened last month
Because factories produce waste and pour it into rivers and lakes, many rivers and lakes are contaminated
Because Linh lives in the area affected by air pollution, she has breathing problem
The typhon came after they had repaired their house
Ex1: Complete the second sentence so that it has the similar meaning to the first one.
1. They will widen the road to our village next year.
=> The road will be widened to our village next year.
2.I think you should go to work by bike.
=> Why don't you go to work by bike?
3.We will plant more trees along this street.
=>more trees will be planted along this street.
4. He got the first prize at the competition. His mother is very happy.
=> His mother is very happy because he got the first prize at the competition.
5. Mr Hung lived in the country when he was a child.
=> Mr Hung used to live in the country when he was a child.
6. They sell these chemicals everywhere in my hometown.
=> These chemicals are sold everywhere in my hometown.
7. You forgot to turn off the TV last night, didn't you?
=> You didn't remember to turn off the TV last night, did you?
8. Is pollution the most serious problem?
=> Pollution is the most serious problem, isn't it?
9. They will build a new school for poor children next month.
=> A new school will be built for poor children next month.
10.Some people will interview the new president on TV
=> The new president will be interviewed on TV.
Ex1:Complete the second sentence so that it has similar meaning to the first sentence
1>The soil is poisoned because,farmers use too many pesticides and herbicides.
-If.............................famers used too many pesticides and herbicides, the soil would be poisoned ...............................................................................................
2>I can't help you unless you tell me what's wrong.
-If....................................you don't tell me what's wrong , I can't help you ......................................................................................
3>Many people have stomachache due to the contaminated food.
-The food..............................is contaminated so many people have stomacchache ....................................................................
4>Stop swimming in that lake,or you will have skin rashes.
-If...................................you don't stop swimming on that lake, you will have skin rashes........................................................................
5>John lives in the area affected by air pollution,so he has breathing problem.
-Because....................................John lives in the area affested by air pollution, he has breathing problem........................................................................
-If.................................John didn't live in the area affected by air pollution, he wouldn't have breathing problem........................................................................................
6>We use eco-friendly products and we can protect environment.
-It we...........................................use eco-friendly products, we can protect environment.......................................................................
7>I think you should volunteer to clean the beach.
-If I were....................................you, I would volunteer to clean the beach.............................................................
8>The air is polluied,so there are breathing problems(leads).
-> The air pollution leads to breathing problems
9>Their children have birth defects because the parents were exposed to radiotion(so)
-> The parents were exposed to radiotion so their children have birth defects
Exercise 6 : Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she 2.If you_____to me, you wouldn’t have got so much trouble. A. listened B. would listen C. had listened D. Would have listened 3.If you don’t know how to spell a word, you_____ look it up in the dictionary. A. must B. will C. should D. ought 4.If the sun _____, we _____for a walk. A. shines / will go B. shone / will go C. shone / would go D. had shone / would go 5.The campfire _____ if it _____ last night. A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains 6.But for our parents, we _____ successful in life. A. will never be B. would never be C. wouldn’t have be D. would have never been 7.If I _____ my wallet at home this morning, I _____ money for lunch now. A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had 8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do. A. were / would know B. is / will know C. had been / would have known D. was / would know 9.If we _____ the plans carefully, we would not have had so many serious mistakes. A. study B. had studied C. studied D. were studying 10.I will never talk to you again _____ you apologize me _____ your being rude. A. if / for B. unless / for C. or / of D. whether / or 11._____if you work harder, you will be sacked. A. Whether B. If C. However D. Unless 12.I think you should stop smoking. A. If I am you, I will stop smoking. B. If I were you, I will stop smoking. C. If I were you, I would stop smoking. D. If I had been you, I would stop smoking. 13.If you take the ice out of the fridge, it _____. A. vaporizes B. melts C. heats D. disappears 14.We should do something to protect water from being polluted _____we will have nothing to drink in the future. A. if B. whether C. or D. unless 15.Let’s knock on their door to see _____home. A. if they’re B. unless they’re C. whether they were D. if they were 16.Unless we _____more snow, we can’t go skiing. A. will have B. have C. have had D. had 17.You’ll fail the exam _____ you start revising. A. if B. until C. when D. unless 18.Unless you wash the car, you _____not drive it at the weekend. A. would B. could C. have to D. may 19.If Peter _____his car before the drive, he _____the problem of out of petrol. A. checked / will not get B. had checked / would not have got C. checks / will not have got D. would be checking / will not have got 20.He stepped on the mine, and it exploded. A.If he doesn’t step on the mine, it doesn’t explode. B.If he doesn’t step on the mine, it won’t explode. C.If he didn’t step on the mine, it wouldn’t explode. D.If he hadn’t stepped on the mine, it wouldn’t have exploded. 21. In my experiments, the liquid is cooled to 32ºF. It always freezes. A.If you cool the liquid to 32 degrees, it froze. B.If you cooled the liquid to 32 degrees, it would freeze. C.If you cool the liquid to 32 degrees, it will freeze. D.If you had cooled the liquid to 32 degrees, it would have frozen. 22.It may rain this afternoon. I hope it doesn’t because I don’t want the match to be cancelled. A. If it rains, the match is cancelled. B. If it rains, the match will be cancelled. C. if it rained, the match would be cancelled D. If it had rained, the match would have been cancelled. 23.Unfortunately, I don’t know Philosophy, so I can’t answer your question. A.If I know Philosophy, I can answer your question. B.If I know Philosophy, I will be able to answer your question. C.If I knew Philosophy, I would be able to answer your question. D.If I had known Philosophy, I would have been able to answer your question. 24._____ there are some more ideas, we can end the meeting now. A. If B. As if C. Unless D. In case 25.If he _____with us now, he _____ the beauty of nature of the National Park. A. is / can enjoy B. was / will enjoy C. has been / would enjoy D. were / could enjoy 26.If they had searched more carefully, they...the watch sooner. A. will find B. would find C. found D. would have found 27.If I had got up early, I _____ to have breakfast now. A. have B.I had C. would have D. would have had 28.I cannot buy a new computer _____ I save enough money. A. if B. even if C. unless D. as if 29.Most people you meet will be polite to you _____. A. if you are polite to them B. if you will be polite to them C. unless you are polite to them D. if you were polite to them 30.If you do so, it _____ the matter worse. A. makes only B. would only make C. will only make D. had only made 31.You _____ English fluently unless you practice it every day. A. will speak B. will not speak C. can speak D. did not speak 32.Hurry up _____ you will miss the bus and be late for school. A. if B. and C. or D. as 33.You will get a good seat if you _____ first. A. come B. came C. have come D. will come 34.Sam will not graduate_____. A. if he passed all the tests B. if he does not pass all the tests. C. unless he passes all the tests D. unless he had passed all the tests. 35.If I had time, I would go with you. A.I am free and surely go with you. B.I am too busy to go with you. C. I will go with you because I have time. D. I am free enough to go with you. 36.If Margaret hadn’t been wearing a seat belt, she.... Injured. A. has been B. would has been C. would be D. would have been 37.If I _____ the rain yesterday, I_____ ill. A. had not caught / would have been B. had not caught / would have not been C. have not caught / were not D. have not caught / would have been 38.He looked frightened as if he _____ a ghost. A. sees B. is seeing C. has seen D. had seen 39.What _____if there _____ a serious nuclear accident. A. will happen / was B. happens / were C. would happen / were D. would happen / had been
Lần sau bn vt thì cách ra cho dễ nhìn nhé~~~~
Choose the best answer for each of the following sentences. 1._____have enough apples, she’ll make an apple pie this afternoon. A.Should she B. If she C. Will she D. Unless she
2.If you_____to me, you wouldn’t have got so much trouble.
A. listened B. would listen C. had listened D. Would have listened
3.If you don’t know how to spell a word, you_____ look it up in the dictionary.
A. must B. will C. should D. ought
4.If the sun _____, we _____for a walk.
A. shines / will go B. shone / will go C. shone / would go D. had shone / would go
5.The campfire _____ if it _____ last night.
A. wouldn’t be cancelled / hadn’t rained B. wouldn’t have been cancelled / hadn’t rained C. would have been cancelled / hadn’t rained D. will be cancelled / rains
6.But for our parents, we _____ successful in life.
A. will never be B. would never be C. wouldn’t have be D. would have never been
7.If I _____ my wallet at home this morning, I _____ money for lunch now.
A. leave / will have B. didn’t leave / would have C. hadn’t left / would have D. hadn’t left / would have had
8.It is too bad, Lam isn’t here. If he _____ here, he _____ what to do.
A. were / would know B. is / will know C. had been / would have known D. was / would know
9.If we _____ the plans carefully, we would not have had so many serious mistakes.
A. study B. had studied C. studied D. were studying
10.I will never talk to you again _____ you apologize me _____ your being rude.
A. if / for B. unless / for C. or / of D. whether / or
Choose the best answer for each of the fllowing sentences
1. ............ if you work harder, you will be sacked.
A. Whether B. If C. However D. Unless
2. I think you should stop smoking.
A. If I am you, I will stop smoking B. If I were you, I will stop smoking
C. If I were you, I would stop smoking D. If I had been you, I would stop smoking
3. If you take the ice out of the fridge, it ...........
A. vaporizes B. melts C. heats D. disappears
4. We should do something to protect water from being polluted ........... we will have nothing to drink in the future.
A. if B. whether C. or D. unless
5. Let's knock on their door to see .......... home.
A. if they're B. unless they're C. whether they were D. if they were
6. Unless we .......... more snow, we can't go skiing.
A. will have B. have C. have had D. had
7. You'll fail the exam ........... you start revising.
A. if B. until C. when D. unless
8. Unless you wash the car, you .............. not drive it at the weekend
A. would B. could C. have to D. may
9. If Peter ............... his car before the drive, he ................ the problem of out of petrol.
A. cheked / will not get B. had checked / would not have got
C. checks / will not have got D. would be checking / will not have got
10. He stepped on the mine, and it exploded.
A. If he doesn't step on the mine, it doesn't explode.
B. If he doesn't step on the mine, it won't explode.
C. If he didn't step on the mine, it wouldn't explode.
D. If he hadn't step on the mine, it wouldn't have exploded.
1. Identify one mistake in each sentence below.
31. If->Unless people plant more trees in the street, it will becomemore polluted.
32. What would you do if you win->won a million dollars?
2. Write or combine the second sentence so that it has the same meaning as the first one.
33. A mechanic will service our car tomorrow morning.
=> Our car will be serviced by a mechanic tomorrow morning
34. Stop swimming in that lake, or you will have skin rashes.
=> If you swim in that lake, you will have skin rashes
35. They entered the restaurant. They were served.
=> After they had entered the restaurant, they were served.
36. We are unable to see the stars in the sky. Light pollution occurs.
=> Light pollution occurs, which makes us unable to see the stars in the sky
3. Write the sentences using the bold words given.
37. They started working in that factory seven years ago. (worked)
=> ____They have worked in that factory for seven years________________________________________________________
38. They paid me a lot of money to do the job. (was)
=> __________I was paid a lot of money to do the job__________________________________________________
39. Although he took a taxi, he still arrived late for school. (in spite of)
=> ______In spite of taking a taxi, he still arrived late for school. ______________________________________________________
40. “What do you think people will find on Jupiter?” he said. (would)
=> ______He asked what I thought people would find on Jupiter______________________________________________________
31 if->unless
33 services->serviced
35 entered->having entered
36 We are unable to see the stars in the sky. Light pollution occurs.
=> Light pollution occurs so we are unable to see the stars in the sky.
37 begin -> have
seven years ago->for seven years
38 I was paid lots of money to do the job.
39 In spite of taking a taxi, he still arrived late for school
40 He asked what I thought people would find on Jupiter