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1. The forest will be recovered …if we plant more trees……………………………………………………………………………………
(plant / trees)
2. The earth will be better …if we know to protect it…………………………………………………………………………………………
(know / protect)
3. I’ll go to the university next October …if I pass the examination…………………………………………………………………………
(pass / examination)
4. I’ll marry him …if my parents accept……………………………………………………………………………………………………
(my parents / accept)
5. Our environment will not be polluted if we obey the environment protection law……………………………………………………………………………
(obey / environment protection law)
I. Complete the sentences with the correct form of the words in brackets.
1. In order to keep our environment ......unpolluted...... , we shouldn’t drop litter in public places. (pollute)
2. Don’t pump ....sewage........ into seas and rivers or it will pollute them. (sew)
3. Don’t throw away .......used..... bottles, papers, and glass. Take them to recycling centres. (use)
4. If we keep on .....polluting....... the air, more people will suffer from respiratory diseases. (pollution)
5. The local authorities have received many letters of ........complaint.... about the industrial wastes from that factory. (complain)
II. Complete the sentences with the correct form of the words in brackets.
1. Ba was ......seriously...... ill right after eating those ......poisonous...... mushrooms. (serious / poison)
2. ......Conservationists...... are interested in the protection of the environment. (conserve)
3. Without .......electricity..... , some people wouldn’t catch fish. (electric)
4. Shhh. Listen ......carefully...... to the conservationist teaching us how to protect the environment. (care)
5. What is responsible for the .....environmental....... problems in your city? (environment)
III. Complete the sentences with the correct form of the words in brackets.
1. Make sure the use of ......pesticide...... is not harmful to farm workers’ health. (pest)
2. .....Congratulations....... ! You have successfully held the clean-up campaign. (congratulate)
3. Use public transport or we won’t .....minimise....... pollution. (minimum)
4. If ......deforestation...... continues, there will be no forest left ten years from now. (forest)
5. The rising level of air pollution has caused concern among .......envrionmentalists..... . (environment)
Rewrite the sentences without changing the meaning.
1. He can’t go out because he has to study for his exam.
→ If he didn't have to study for his exam, he could go out
2. She is lazy so she can’t pass the exam.
→ If she weren’t lazy, she could pass the exam.
3. He will pay me tonight; I will have enough money to buy a car.
→ If he pays me tonight, I would have enough money to buy a car.
4. He smokes too much; that’s why he can’t get rid of his cough.
→ If he didn't smoke too much, he would get rid of his cough
5. She is very shy, so she doesn’t enjoy the party.
→ If she weren’t shy, she could enjoy the party.
6. I get a work permit. I will stay for another month.
→ If I get a work permit, I will stay for another month
7. He doesn’t take any exercises. He is so unhealthy.
→ If he didn’t take any exercises, he is so unhealthy
8. We can’t get the ket because I don’t have the right change.
→ If I had the right change,we could get the ket
9. Study hard or you won’t pass the exam.
→ If you study hard, you would pass the exam
10. Don’t be impatient or you will make mistakes.
→ If you are impatient, you will make mistakes.
1. The river which flows through Ho Chi Minh City is the Sai Gon River.
2. Mr Phong who is supposed to be at the meeting hasn’t come yet.
3. Our solar system is in a galaxy which is called the Milky Way.
4. I come from a city which is located in the southern part of the country.
5. I’ve recently gone back to the town where I was born.
6. Do you know the name of the hotel where John is staying?
7. There are some words which are very difficult to translate.
8. What is the name of the man whose car you borrowed?
9. This watch which I have lost costs a lot of money.
10. We were given a lot of information most of the which was useless.
1. The weather isn’t fine. We can’t go for a walk in the woods
-If …the weather isn’t fine, we can’t go for a walk in the woods……
2. I’ll ask someone to make a new dress
- I’ll have …a new dress made...………
3. The bridge might be built in a hurry
- People …might build the bridge in a hurry…….
4. You really should be able to dress yourself by now
- It’s high time ……you dressed yourself…..
5. I wish I hadn’t told him what we were planning to do that evening
- I regret…having told him what we were planning to do that evening ….
6. I have never eaten with knives and folks before
- This is …the first time I have eaten with knives and folks…….
7. “Why don’t you ask Tom for help, Mary?” Ba said
- Ba suggested Mary should ask Tom for help………..
8. Ba is too young to see horror films
- Ba is not…old enough to see horror films.…...…….
9. They should quit smoking
- They had ……better quit smoking
10. They once started these machines by hand.
- They used to …start these machines by hand…
1. You (be)will be late for school if you (not go)don't go now
2. I( help)will help you with the homework if i (be)am free
3. There (be)will be big floods every year if we (cut)cut down too many trees in the forests
4. If we (not stop)don't stop littering, the environment (become)will become more and more polluted
5. She (pay)will pay 50,000 dong if she (use)uses 2 energy-saving bulbs
6. If i (see)see him, i (give)will give him a lift
7. The table (will collapse)will collapse if you (stand)stand on it
8. If he (eat)eats all that, he (be)will be ill
9. What (happen)happen if the pollution (go)goes on?
10. If the work (not finish)doesn't finish on time, we (fire)will fire you
11. If we (not stop)don't stop smoking, you (die)will die soon
12. The electricity will be cut off if you (not pay)don't pay the bill within 2 days
13. If it ( not rain)won't rain tomorrow, we (come)will come to visit them
1 he can not go out because he has to study for his exam
=> if .................he didn't have study for his exam, he could go out........................................................................
2 she is lazy so she can not pass the exam
=> if ........................she wasn't lazy, she could pass the exam
.......................................................................
3 he will pay me tonight , i will have enough money to buy a car
=> if .........he doesn't pay me tonight, i won't have enough money to buy a car ..................................................................................
4 he smokes too much , that is why he can not get rid of his cough
=>if ........................ he didn't smoke too much, he could get rid of his cough........................................................................
5 she is very shy , so she does not enjoy the pary
=>if .............. she wasn't shy, she could enjoy the party................................................................
6 i will get a work permit . i will stay for another month
=>if .......................I get a work permit, I will stay for another month..................................................................
7 he does not take any exercises. he is so unhealthy
=>if ............he took some exercises, he couldn't be unhealthy..............................................................
8 we can not get the ticket because i don not have the right change
=> if I have the right change, we could get the ticket.........................................................................................................
9 study hard or you won't pass the exam
=>if .....................you studied hard, you would pass the exam..........................................
10 don't be impatient or you will make mistakes
=>if .........................you was impatient, you would make mistakes....................................................
Conditional sentences
1. If John (study) _studies___ hard, he (pass)_will pass___ his examinations
2. I (go) __will go__ shopping with you if I (have)__have__ time tomorrow
3. I (speak)_will____ with him if he (arrive) __arrives___ on time
4. If the train(be) __is___ late. We (not/be)__won't be__ able to see them
5. If the weather (be)___is__ nice tomorrow, I (go) __will__ shopping with you
6. He(find) __will__ a job somewhere if he (try)_tries___ hard
7. If he( fail)__failes___ the text , he (have)__will have__ to repeat the course
8. We (be)__will___ in the dark if you(turn)__turn___ off the light
9. If he(have)_has___ free time, he will go swimming
10. If you(come) __come__ into his garden, the dog will bite you
11.If I have much money, I (buy) __will__ a new car
12.They will take him to the movies if he(come)_comes___ there
13. If it(not rain)_isn't rain__ tonight, I will go to the theater
14. Where__will__ you(go)_go__ next week if you (have)_have__ a car?
II. Use UNLESS instead of IF.
1. If you are not careful, you will cut yourself with that knife.
-> Unless you are careful, you will cut yourself with that knife.
2. If you do not like this one, I’ll bring you another.
-> Unless you like this one, I’ll bring you another.
3. I’ll not be able to do any work if I do not have a quiet room.
-> Unless I have a quiet room, I’ll not be able to do any work.
4. If she does not hurry, she’ll be late.
-> Unless she hurries, she’ll be late.
5. If we had more rain, our crops would be better.
-> Unless we had more rain, our crops wouldn't be better.
6. The crops would have been ruined if the flood had risen higher.
-> Unless the flood had risen higher, the crops wouldn't have been ruined.
7. If you had not sneezed, he wouldn’t have known that we were there.
-> Unless had sneezed, he wouldn’t have known that we were there.
8. If she did her hair differently, she would look quite nice.
-> Unless she did her hair differently, she wouldn't look quite nice.
9. If John had played for our football team, we would not have lost the game.
-> Unless John had played for our football team, we would have lost the game.
10. If I won a big prize in a lottery, I’d give up my job.
-> Unless I won a big prize in a lottery, I wouldn't give up my job.
1 Unless you are careful, you will cut your self with that knife
2 Unless you like this one, I’ll bring you another
3 I’ll not be able to do any work unless I have a quiet room
4 Unless she hurries, she’ll be late
5 Unless we had more rain, our crops wouldn't be better
6 The crops wouldn't have been ruined unless the flood had risen higher
7 Unless you had not sneezed, he wouldn’t have known that we were there
8 Unless she did her hair differently, she wouldn't look quite nice
9 Unless John had played for our football team, we would have lost the game.
10 Unless I won a big prize in a lottery, I’d not give up my job.
V- Complete these sentences, using IF with the suggesred words in the parentheses :
1- I’ll have enough money for the tickets
=> If I have been paid wage, I'll have enough money for the tickers (pay)
2- I’ll stay for another six months
=> If I have work permit, I'll stay for.....(work permit)
3- I’ll go to the university next October
=>If I pass the exam, I'll go to...... (pass)
4- I’ll marry him
=> If my parents accept, I'll marry him
5- The forest will be recovered
=> If we plant more trees, the forest will be recorvered (plant / trees)
6- Our environment will not be polluted
=> If people obey the environment protection law, our environment will not..... (obey / environment protection law)
7- The earth will be better
=> If we protect the environment, the earth.....(protect)
8- We’ll be in time
=> If the plane lift now, we'll be in time (lift)
9- I’ll stay a fortnight
=> If I can rent a cheap room, I'll stay.... (cheap/ room)
10- He will get many more good marks
=> If he study hard, he will.. ( study hard)