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ÔN TẬP
I.Câu điều kiện loại 1
Cấu trúc câu điều kiện loại 1
Mệnh đề chính (Main Ví dụ
Mệnh đề If (If clause)
clause)
Dùng hiện tại đơn
Dùng tương lai đơn
Vthường , S + will/ won’t + Vo +If she gets up early, she will go to
If + S + V (s/es) work on time.
If +S + don’t /doesn’t + +If you don't do your homework, you
Vo will be penalized by the teacher.
Be: +
If + S + am/is/are (not) If it is nice tomorrow, I will go
camping.
If it is not nice tomorrow, I will stay at
home.
Cách dùng
Cách dùng Ví dụ
- Dự đoán một hành động, sự việc có thể xảy ra ở hiện
If I get up early, I will go to work on time.
tại hoặc tương lai
- Đưa ra lời khuyên hoặc cảnh báo (có “or” hoặc “and”)
Cảnh báo:
1. Hurry up or you will be late for school.
2.We must conserve water. Otherwise we will face
1.If you don ’t hurry, you will be late for school.
serious water shortage
Lời khuyên
1. Do more exercise and you will be fitter.
2. If you do more exercise, you will be fitter.
2. Paul doesn’t think about the planet. He wastes so
much water.
Unless=If …not (nếu không)
If + S + don’t/doesn’t + Vo, ……… If you don ’t hurry, you will be late for school.
-> Unless + S + V(s/es),………… Unless you hurry, you will be late for school.
If + S + am/is/are not+…,…………… If it is not nice tomorrow, I will stay at home.
-> Unless + S + am/is/are+…,………….. Unless it is nice tomorrow, I will stay at home.
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C. GRAMMAR
Exercise 1. Complete the sentences using the Simple Future tense form of the verbs
and underline the time expression.
1. Tom (go) ___________ to the museum with his friends tomorrow.
2. They (not travel) ___________ to Phu Quoc next weekend.
3. The students (take) ___________ a 15-minute test next week.
4. There is little tomato sauce. I (buy) ___________ some.
5. We (become ___________)famous singers in the future.
6. I promise I (be) ___________ there on time.
7. (your daughter / come) ___________ back home in two days?
8. I (submit) ___________ my assignment soon.
9. In 2030. there (be) ___________ more robots that do the housework.
10. I don’t think she (pass) ___________ the driving test.
Exercise 3: Put the verbs in brackets in the correct form of the first conditional.
1. If we ______________________ more, we ______________________ the (recycle)/
Earth. (help)
2. If you ______________________ exercise regularly, you (do)/ (stay)
______________________ healthy.
3. If he ______________________ iced water, he ______________________ a (drink)/ (have)
cough.
4. If I ______________________ money, I ______________________ a laptop. (have)/ (buy)
5. If people ______________________ by bicycle, there (travel)/ (be)
______________________ less air pollution.
6. If she ______________________ at this time, she ______________________ (stop)/ (be)
a loser.
7. If he ______________________ harder, I ______________________ him (work)/ (pay)
more.
8. If Tom ______________________ time, he ______________________ his (have)/ (visit)
aunt in District 9.
9. If I ______________________ the poem by heart, my teach (not, learn)/
______________________ me. (punish)
10. If Nam ______________________ to Thailand, he (go)/ (watch)
______________________ their traditional dances.
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Exercise 4. Give the correct tense of the verbs in brackets using the first conditional.
1. If you (go) ___________ on a business trip, please inform me.
2. If he (eat) ___________ another cake, he (be) ___________ sick.
3. I (tell) ___________ you more about the Ban Flower Festival if I (meet)
___________ you.
4. If I (be) ___________ allowed to choose a topic, I (give) ___________ a presentation
on Bat Trang Village.
5. If I (not have) ___________ to go to school this summer vacation, I (travel)
___________ to Mongolia to learn more about nomadic life.
6. What (you I do) ___________ if she refuses your invitation?
7. If the sun (shine) ___________, we (walk) ___________ into town.
9. You (have) ___________ a stomachache if you drink that contaminated water.
10. If we (have) ___________ several days off, we (learn) ___________ how to cook
some kinds of street food.
Exercise 5: Rewrite these sentences by using conditional sentence type 1.
1. Turn off all the lights and you will not pay more money.
If
2. He doesn’t like the decorations. He can send them back to the shop.
If
3. Be careful or you may have an accident.
If
4. Phone your parents or you have a trouble.
If
5. I attend an online class. I won’t have to spend time commuting.
If
6. Take up this course. You will like it.
If
7. Stay here and you will feel safe.
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If
8. Pay the electricity bill today or your electricity will be cut off.
If
9. Stop smoking otherwise your cough may be worse.
If
10. Do morning exercises regularly, your body will be fitter.
If
Exercise 6: Rewrite the sentence without changing its meaning. Use unless.
1. If they don't practise a lot, they will lose the game.
Unless
2. I'll miss the train if I don't go now.
Unless
3. If she doesn't answer the phone, leave her a message.
Unless
4. If you don't pay the bill, I'll call the police.
Unless
5. If he doesn't work hard, he won' t pass the examination.
Unless
6. Unless she whispers, everyone knows what she is saying.
If
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7. Unless we use renewable energy, we will have nothing for the future generation.
If
8. Unless it stops raining today, we may be faced with a serious flood.
If
9. Unless she wears warm clothes, she will have a cold.
If
10. The climate will change unless we reduce the use of non-renewable energy.
If
EXTRA PRACTICE
Exercise 1. Give the correct form of the verbs in brackets.
1. If the sun ________ (shine), we ________ (walk) around the village.
2. If he ________ (have ) a fever, he ________ (see) the doctor.
3. If my friends ________ (come), I ________ (be) happy.
4. If John ________ (earn) a lot of money, he ________ (buy) a big house.
5. If you ________ (wear) a scandal in the mountain, you ________ (slip) on the rock.
6. If you ________ (wait) me a minute, I ________ (ask) my parents.
7. If Rita ________ (forget) doing her homework, the teacher ________ (scold) her.
8. If we ________ (go) to the bar, we ________ (meet) someone interesting.
9. If Joy ________ (not play) sports, she ________ (not be) healthy enough.
10. If Tom ________ (not repair) the bike, he ________ (not ride) it.
11. If Tim ________ (not water) the trees, they ________ (die).
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12. If they ________ (catch) the bus, they ________ (arrive) on time.
13. If you ________ (be) a good listener, you ________ (have) many friends.
14. If you ________ (not be) careful, you ________ (fall).
15. Their parents ________ (punish) if they ________ (not behave).
16. If we ________ (need) some help, I ________ (ask).
17. We ________ (go) on the holiday if we ________ (have) time.
18. If it ________ (be) too much heat, I ________ (turn on) the air conditioning.
19. If I ________ (like) English, I ________ (study) harder.
20. You ________ (understand) the lesson if you ________ (follow) your teacher.
1. Unless you ________ (wear) a jacket, you ________ (feel) cold.
2. Please don’t disturb him if he ________ (be) busy.
3. If she ________ (fail) the exam again, her parents ________ (be) angry.
4. If you ________ (not lock) the door carefully, thieves ________ (take) all your stuff.
5. What ________ (happen) if my umbrella ________ (not open).
6. If you ________ (live) in a cold country, you ________ (not suffer) from hot wet
weather.
7. If you ________ (be) a vegetarian, you ________ (not eat) meat.
8. If you ________ (read) many books, you ________ (gain) a lot of knowledge.
9. She ________ (not pick) you up if you ________ (not phone) her.
10. He ________ (not understand) if you ________ (whisper).
Exercise 2. Write the sentence below as a conditional sentence.
1. You don’t water the trees. The trees die.
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2. It rains. We cancel the meeting.
3. I buy some gifts for my friends. I go on a trip.
4. My parents do exercise regularly. They are healthier.
5. We win the lottery. We buy a new house.
6. Tom uses his phone in class. He doesn’t understand the lesson.
7. Tomorrow isn’t Sunday. They don’t get up late.
8. He won’t win the competition. He won’t receive a lot of money.
9. She won’t appear. He won’t recover quickly.
10. John won’t know her telephone number. He can’t call her.
Exercise 10. Rewrite the following sentence with “Unless”.
1. If they don’t practice a lot, they will lose the game.
→ Unless ______________________________________.
2. I’ll miss the train if I don’t go now.
→ ____________________________________________.
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3. If she doesn’t answer the phone, leave her a message.
→ ____________________________________________.
4. If you don’t pay the bill, I’ll call the police.
→ ____________________________________________.
5. If he doesn’t work hard, he won’t pass the examination.
→ ____________________________________________.
