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I.
1. They wanted to know what the dept of that well was.
2. Lan said that her father was forty years old.
3. They said that they would leave there the next day.
Complete the sentences, using the modal verbs in brackets and the information in the box.
1. If you want to be better, you.......should a. stay in bed...............................(should)
2. If the suitcases are too heavy, I..................can d. help you carry them....................(can)
3. If you want to pass the next exam, you.................must b. study harder.....................(must)
4.If you want to lose weight, you.....................should e. go on a diet.................(should)
5.You....................have to .i. brush your teeth.................after each meal if you want to have healthy teeth(have to)
6. You...................ought to f. do exercises every morning....................if you want to be healthy(ought to)
7. If you don't learn the lessons carefully, you..............can g. not do the test well................(can)
8. If you want to go to town, I.....................can c. give you a lift....................................(can)
9. You.........must .j. finish your homework.................................if you want to play computer games.(must)
10. If he is taller, he ....................can.h. play basketball...................................(can)
1. If you.....want.... to see clearly, you.....should wear...... your glasses. (want/ wear)
2. If you....don't understand.... the lesson, i ....will help......... you with your homework. ( not understand/ help)
3. If Jane ...is.... still ill tomorrow, she...will stay..... at home. (be/ stay)
4. .....will...... I ....borrow..... your bike if i ....bike...... it carefully. ( borrow/ bike)
5. mark.....will leave... early if he ..wants... to get to Montevideo on time. ( leave/ want)
6. If he .....isn't...... coming tonight, he ...will come.... next week ( not be/ come)
7. if the wind ...is... strong enough, we ....will go... sailing, but i'm not sure. ( be/ go)
8. You.....will take.... your baby to the doctor's if his temperature.......goes.... up again. ( take/ go)
9. If you...finish.... work early, you ...will come.... for a drink with us, ( finish/ come)
10. If Jack .......has.... a video recorder, he...will record........ any programme he wants. ( have/ record)
Câu điều kiện
1.If it rains this evering. I [not go]......won't go........out.
2.Lan [miss].....will miss.......the bus if she does not hurry.
3.I Ha [not be]........isn't.....careful, he will drop the cup
4.Mrs. Nga [join].......will join.........us if she finishes her work early.
5.If Mrs.Binh writes a shopping list, she [not forget].....won't forget.........what to buy
6.If I see him I [give]......will give.......a lift.
7.If he [eat]....eats........all that, he will be ill.
8.If I find your passport I [telephone]......will telephone..........you at one.
9.If he [read].......reads.....in bad light he will ruin his eyes.
10.Someone [steal].....will steal.......your car if you leave it unlocked
11.If you want to improve English, We [can help].......can help.......you
12.If you want to get good , you [must study]....must study..........hard.
13.If you [not pay]....do not pay..........in advance, You must give us a 10 percent deposit
14.If the rice paddies are polluted , the rice plants [will die]......will die.......
1/ if the weather ...is.......(be) fine. we ......will go....(go) on picnic.
2/ people...will face......(face) with respira tory. Proldems if the .....is.....(be) polluted
3/ If she.........goes......(go) on watching water. She ...will pay......(pay) much money
4/ you must work hard if you ......want.........(want) to get good grades
5/ he.....will buy.....(buy) a new car if he .....has....(have) money.
1. If people solve the problem of smoke from vehicles and factories, the air _____ pure and fresh.
A. is B. was C. will be D. would be
2. If you post false information on the Internet, you _____fined.
A. gets B. got C. would get D. will get
3. I believe that if all the people _____ the government’s instructions, we ____COVID-19 from spreading.
A. don’t follow/ will prevent
B. followed/ will prevent
C. follow/ would prevent
D. follow/ will prevent
4. Do you think there would be less conflict in the world if all people _____ the same language?
A. spoke B. speak C. had spoken D. will speak
5. If our schools are still closed because of the pandemic, we _____to study online.
A. wouldn’t B. would try C. tried D. will try
6. If I ____you, I ____many subjects online instead of playing video games.
A. was/ will study B. am/ will study C. were/ would study D. am/ would study
7. If people need more paper, more trees _____.
A. will cut down B. cut down C. will be cut down D. are cutting down
8. My English is not good. If I ___ English well, I ___ able to get a good job in a foreign company.
A. speak/ can be B. spoke / were C. speak/ were D. spoke/ would be
9. If everybody _____to the fight against COVID-19, we will win soon.
A. contribute B. contributes C. are contributing D. is contributed
10. If people protect the forest, a lot of trees _____.
A. will be preserved B. will preserve C. preserve D. would preserve
11. If you were me, what _____?
A. you would do B. will you do C. do you do D. would you do
12. People don’t trust him because he tells lies.
A. If he tells lies, people won’t trust him.
B. If he didn’t tell lies, people would trust him.
C. If he doesn’t tell lies, people will trust him.
D. If he told lies, people wouldn’t trust him.
13. The government limits travel and close contact among people, so we can prevent COVID-19 from spreading.
A. If the government didn’t limit travel and close contact among people, we couldn’t prevent COVID-19 from spreading.
B. If the government doesn’t limit travel and close contact among people, we can prevent COVID-19 from spreading.
C.If the government doesn’t limit travel and close contact among people, we could prevent COVID-19 from spreading.
D. If the government limited travel and close contact among people, we couldn’t prevent COVID-19 from spreading.
14. Wear a face mask when you are with many people, or you will be at risk.
A. If you wear a face mask when you are with many people, you will be at risk.
B. If you don’t wear a face mask when you are with many people, you will be at risk.
C. If you didn’t wear a face mask when you are with many people, you would be at risk.
D. If you don’t wear a face mask when you are with many people, you would be at risk.
18. We/ should/ maintain/ personal space/ avoid/ crowds/ if/ we/ want/ be/ safe/ now.
A. We should be maintained personal space and avoid crowds if we want to be safe now.
B. We should maintain personal space and avoid crowds if we want to be safe now.
C. We should maintain personal space and avoid crowds if we wanted to be safe now.
D. We should maintain personal space to avoid crowds if we want be safe now.
19. Her English/ not/ be/ rusty/ she/ used/ more often.
A. Her English wouldn’t be rusty if she uses it more often.
B. Her English wouldn’t be rusty if she has used it more often.
C. Her English wouldn’t be rusty if she is using it more often.
D. Her English wouldn’t be rusty if she used it more often.
20. If people/ solve/ problem/ smoke from vehicles, the air/ be pure and fresh.
A. If people solved the problem of smoke from vehicles, the air is pure and fresh.
B. If people solve the problem of smoke from vehicles, the air was pure and fresh.
C. If people solve the problem of smoke from vehicles, the air will be pure and fresh.
D. If people solve the problem of smoke from vehicles, the air would be pure and fresh.
Complete using the correct form of the verb in the box (be;call;find;forget;get;leave; see;take;want;work)
1. If she. .leaves.... at 5 o'clock, she will be there by half past 7.
2. We..will call.. you if we have any problems.
3. It might not be a good idea to go out tonight if you..take..an important test in the morning.
4. If you. .are..ill all day, you shouldn't come to the club tonight.
5. If you should..find.my wallet,call me on my mobile immediately!
7. If Sean.works..so hard lately,he will welcomethereal chance to have a few days off.
10. Don't feel you have to come if you.. want.to
1. If I DON'T HAVE (not /have) lunch, I WILL BE (be) hungry.
2. If he ISN'T (not /be) at work, he WILL BE (be) at home then.
3. If I DON'T WORK (not/work), I WILL GO (go) to a disco.
4. If Oanh ISN'T (not/ be) thirsty, she WON'T DRINK (not/drink) any fizzy mineral
water.
5. If she DOESN'T GET (not/ get) tired, I WILL INVITE ( invite) her to our party.
6. If they DON'T COMMUNICATE (not/ communicate), they WON'T HAVE (not /have) any jobs.
7. If my daughter DOESN'T DO (not/ do) the washing up, I WILL HAVE TO (have to) do it instead
of her.
8. I WON'T TELL (not /tell) anybody about it if you DON'T WANT (not/ want).
9. I am sure she WILL DO (to do) it if you ASK (to ask) her.
10. They WILL COME (come) if she INVITES (invite) them.
11. He WILL WRITE ( write) a letter to her if she WRITES (write) first.
12. I WILL GO (go) there if you GO (go) with me.
13. Max WILL PASS ( pass) the exam if he STUDIES (study) hard.
14. If he ISN'T (not / be) at home, I WILL VISIT ( visit) his sister then.
15. If she DOESN'T WALK (not /walk) every day, she WON'T BE (not / be) healthy enough.
16. If Max DOESN'T ACCEPT (not / accept) Alex’s invitation this time, Alex WON'T INVITE (not/ invite)
him again.
17. If my kid DOESN'T READ (not / read) this book, he WON'T GET (not /get) a good mark in
Literature.
18. If Tom DOESN'T WATER (not/ water) the violets, they WILL DIE (die).
19. If Lena ISN'T (not/ be) happy, she WON'T STAY (not /stay) there for a long
time.
20. If my son DOESN'T MAKE (not /make) his bed, he WON'T PLAY (not / play) football with his
friends.
21. If my teacher DOESN'T LIKE (not/like) my English, I WILL TRY ( try) to study it harder than
before.
22. My son WILL SPEAK ( speak) English fluently if he GOES ( go) to study English abroad.
23. If she FALLS ( fall) in love with Henry, they WILL GET (get) married, I think.
24. If you HELP (help) me, I WILL HELP (help) you.
25. If they CATCH (catch) the bus, they WILL ARRIVE (arrive) on time.
26. If my parents SUPPORT (support) me, I WILL BE (be) a better person.
27. If it RAINS (rain), I WILL GET (get) wet.
28. Sally and Elizabeth WILL GO (go) out tonight if their parents ALLOW (allow) it.
29. They WILL VISIT (visit) Eiffel Tower if they GO (go) to France.
30. If I PASS (pass) the year, my parents WILL GIVE (give) me a gift.
31. If I DON'T PASS (not/pass) the year, my parents WILL BE (be) very disappointed.
32. If the cable TV DOESN'T WORK (not/work), we WILL RENT (rent) a DVD.
33. If the baby DOESN'T EAT (not/eat), we WILL SEE (see) the doctor.
34. If the T-shirt SUITS (suit) me, I WILL BUY (buy) it.
35. If you CONTINUE (continue) on a diet, you WILL GET (get) sick.
36. If you ARE (be) a good listener, you WILL HAVE (have) many friends.
37. If you ARE NOT (not/be) careful, you WILL SPOIL (spoil) the machine.
38. If she IS NOT (not / be) careful, she WON'T HAVE (not/have) enough money left.
39. If you GET (get) enough sleep, you WILL FEEL (feel) healthier.
40. My parents WILL GIVE (give) me a hug, if I ARRIVE (arrive) home early.
41. If you ARE NOT (not/be) careful, you WILL FALL (fall).
42. If she EATS (eat) that mayonnaise, she WILL BE (be) sick.
43. If they DON'T BEHAVE (not/behave), their parents WILL PUNISH (punish) them.
44. She WILL GO (go) on a trip if she HAS GOT (have got) holidays in August.
45. I WILL GET (get) dehydrated if you DON'T DRINK (not/drink) more water.
46. If it IS (be) too much heat, I WILL TURN OFF (turn off) the air conditioning.
47. You WILL UNDERSTAND (understand) conditional sentences if you PRACTISE (practise) carefully.
48. We (do) WILL DO this for you if you want.
49. If we (need) NEED some help, we will ask.
50. If Peter stays with his grandparents, Susan (not be) WON'T BE happy.
51. If we win the money, we (buy) WILL BUY a new house.
52. She (not write) WON'T WRITE to you if she leaves.
53. We (go) WILL GO on holiday if there is time.
a) You ...must be careful .....if you work with chemical ( must )
b) If you feel tied, you .....ougth to go to bed early.... ( ougth to )
c) You...should eat more vegetable..... if you want to be healthy ( should)
d) He.....should learn harder.... if he wants to be good at English ( should)
e) If you want to go to the cinema , you..must finish your homework......( must)
f) If we suffer from a disease, we....must go to the doctor......( must )