chia động từ :
1.we can save natural resources if we (use) solar energy
2.he'd have a lot of friends if he (not be) so selfish
3.if it doesn't rain soon,the crop (lose)
4.if these (not be) electricity,people (can't) use house hold appdiances
5.unless he (study) hard ,he will pass the final exam
6.if the sun(stop) shining ,what (happen) to our planet?
7.what you (wish)if a fairy (give) you three wishes?
8.if i (know) his telephone number,i'd give it to you
9.if i had a type writes i (type)it myself
10.he might get fat if he (stop)smoking
B. SUPPLY THE CORRECT FORM OF THE VERBS
PART 1
1. If I (to come) ____________ home earlier, I (to prepare) ______________ dinner.
2. If we (to live) ______________ in Rome, Francesco (to visit) ____________ us.
3. If Tim and Tom (to be) ___________ older, they (to play) ___________ in our hockey team.
4. If he (to be) ______________ my friend, I (to invite) _____________ him to my birthday party.
5. If Susan (to study) ________________ harder, she (to be) ______________ better at school.
6. If they (to have) ______________ enough money, they (to buy) ______________ a new car.
7. If you (to do) _____________ a paper round, you (to earn) _____________ a little extra money.
8. If Michael (to get) _____________ more pocket money, he (to ask) _____________ Doris out for dinner.
9. If we (to hurry) ___________, we (to catch) _____________ the bus.
10. If it (to rain) ______________, Nina (to take) ______________ an umbrella with her.
PART 2
1. He (come) _______ if you waited.
2. If you (ring) _______ the bell, the servant would come.
3. If it (not, rain) _______ a lot, the rice crop wouln’t grow.
4. If today (be) _______ Sunday, we wouldn’t have to work
5. You would have to stay in bed unless your health (improve) _______.
6. If I (not have) ________ a typewriter, I could type it myself.
7. What (you do) ________ if you got fat ?
8. They would not be paid unless they (do) _______________ their work well.
9. If I became very rich, I (build) _______________ a hospital for the poor.
10. If he (give) _______________ up smoking, as his doctor orders, he will be soon well again.
11. You would have to stay in bed unless your health (improve) _______________.
12. If I (have) ________________ a typewriter, I could type it myself.
13. You could make much progress if you (attend) ________________ class regularly.
14. If I (know) ________________ his telephone number, I would give it to you.
15. If he (study) ________________ harder, he can pass an exam.
PART 3
1. If I (have) ________________ a typewriter, I could type it myself.
2. You could make much progress if you (attend) ________________ class regularly.
3.If I (know) ________________ his telephone number, I would give it to you.
4. If you are kind to me, I (be) _______________ good to you.
5. He (come) _______________ if you waited.
6. If he (study) ________________ harder, he can pass an exam.
7. She may be late if she (not hurry) ________________.
8. What (you do) ________________ if you got fat?
9. f you (ring) _______________ the bell, the servant would come.
10. If it (not, rain) _______________ a lot, the rice crop wouldn’t grow.
viết lại câu sao cho nghĩa không đổi
1. I do not buy it because I do not have enough money
--> If I
2. I am búy now, so I can not help you
--> If I
3. There will be a shortage of water unless it rains
--> If
4. John is fat because she eat many chips
--> If she
5. I will only help you if you promise to try harder
--> Unless
6. If it does not rain soon, the srops will be lost
--> Unless
7. I am very tired so I can not concentrate properly
--> If
8.We do not have a garden , so we do not grow our own vegetables
--> If
9. He does not give you good advice because he is not your true friend
--> If
10. We come late becavuse the rain is so havely
--> If
Write a new sentence with a similar meaning to the first sentence, using unless. The plants won't grow unless you water them...
2. The machine won't start if you don't plug it in.
3. The union will call a strike if staff are not given a pay rise.
4. If the government fails to act, there will be a water shortage.
5. The programme is likely to go ahead if there isn't a last-minute hitch.
6. If there is not an examination at the end of the course, some students will not study seriously.
7. If they don't enjoy what they are doing, people tend not to succeed.
8. Without a valid library card, students cannot use the library.
9. If no measures are taken, the situation will get worse.
10. If the patient's condition doesn't deteriorate, she should make a full recovery.
4. Write an If... sentence with the same meaning as the first sentence. Sometimes there is more than one possible answer.
2. Without water, life on Earth would be impossible,
3. Everyone speaks different languages, so people don't get on well together.
4. We haven't got a computer so it isn't as easy to do the calculations.
5. Food isn't distributed fairly so some people don't have enough to eat.
6. People don't give up smoking because they probably don't know the risks involved.
7. Aliens might land on Earth unnoticed
8. The library doesn't open on Sunday so we can't go there to study
9. Greater use of public transport would cut the amount of pollution from cars.
10. People who are overweight eat too much and don't take enough exercise.
EXERCISE IV: Use “if” in place of “unless”
1/ We won’t go out unless it stops raining.
-________________________________________________
2/ I will call the police unless you give back my bicycle.
-____________________________________________________________
3/ You wouldn’t be able to do this exercise unless your English were good.
-____________________________________________________________
4/ Unless we had enough rain, we couldn’t grow rice.
-____________________________________________________________
5/ The fishermen couldn’t have caught a lot of fish unless they had had good nets.
-____________________________________________________________
8.Let's help her harvest the crop. (Why) ....... 9.Be careful, or you will make mistakes lots . ->If..... ->Unless......
Choose the correct question tag.
1. It's easy, isn't it/ doesn't it?
2. The film was really bad, wasn't it / didn't it?
3. We aren't late, aren't we / are we?
4. She lives in that house, isn't it / doesn't she?
5. You don't like curry, don't you / do you?
6. You are going to be there, don't you / aren't you?
7. It won't rain tomorrow, is it / wil it?
8. You know where he lives, don't you / doesn't he?
các bạn giúp mk vs ạ
boy / put up / Christmas decorations /be / my brother.
………………………………………………………………………………………..
I / wet through . If I / know / it / rain / I / take / umbrella.
…………………………………………………………………….…………………………..
the book / so / good / we / it / twice.
…………………………………………………………………….…………………………..
one / disadvantages / living here / the lack / public transport.
……………………………………………………………………..…………………………..
No sooner / burglars / leave / building / someone / ring / alarm.
………………………………………………………………………………………………….
she / have / bike / repair / her husband / yesterday.
………………………………………………………………………………………………….
EXERCISE IV: Use “if” in place of “unless”
1/ We won’t go out unless it stops raining.
-________________________________________________
2/ I will call the police unless you give back my bicycle.
-____________________________________________________________
3/ You wouldn’t be able to do this exercise unless your English were good.
-____________________________________________________________
4/ Unless we had enough rain, we couldn’t grow rice.
-____________________________________________________________
5/ The fishermen couldn’t have caught a lot of fish unless they had had good nets.
-____________________________________________________________
6.I wouldn't buy it unless I could afford it.
-
7.I would refuse to go unless they paid my expenses.
-
8.I don't agree with his economic policy.I wouldn't vote for him unless he changed it.
-
9.He wouldn't have written unless he had heard news.
-
10.You might not have a terrible toothache unless you went to the dentist regularly.
-