Ôn tập Ngữ pháp Tiếng Anh Lớp 9 - Unit 6

 ENGLISH GRAMMAR 9 UNIT 6
 ADVERB CLAUSES OF REASON (MỆNH ĐỀ TRẠNG TỪ CHỈ LÝ DO)
+ Mệnh đề trạng từ chỉ lý do là một mệnh đề phụ thường bắt đầ bằng các liên từ: because, 
since, as (do, vì, bởi vì)
 S1 + V + because, since, as + S2 + V
 Main clause adverb clauses of reason
 :Ex ۞
 - I turned the heating on because it was cold. (Vì trời lạnh nên tôi mở lò sưởi)
 - We watched TV all evening as we had nothing better to do. (Chúng tôi xem phim suốt 
 buổi tối vì chúng tôi không có gì hay hơn để làm)
 - Since he had not paid his bill, his eletriccity was cut off. (Vì anh ấy không tahnh toán 
 hóa đơn nên điện bị cắt)
+ Because of:
 S1 + V + because of + noun / noun phrase.
 Main clause adverb clauses of reason
 :Ex ۞
 - We cancelled our flight because the weather was bad.
 - = We cancelled our flight because of the bad weather. (Chúng tôi phải hủy chuyến bay 
 vì thời tiết xấu)
Lưu ý:
 - Mệnh đề trạng ngữ chỉ lý do có thể đứng trước hoặc đứng sau mệnh đề chính. Khi 
 mệnh đề đứng trước, giữa hai mệnh đề có dấu phẩy “,” 
 :Ex ۞
 - Since/because/as you won’t help me, I must do the job myself. (Vì anh không giúp tôi 
 nên tôi phải tự làm việc đó.)
 - Jane started jogging since/because/as his doctor told him to. (Jane bắt đầu chạy bộ vì 
 bác sỹ bảo anh ta làm thế.) ENGLISH GRAMMAR 9 UNIT 6
 CONDITIONAL SENTENCES: TYPE 1 (CÂU ĐIỀU KIỆN LOẠI 1)
+ Câu điều kiện gồm có hai mệnh đề: Mệnh đề chính (main clause) chỉ kết quả và mệnh đề if 
(If clause) chỉ điều kiện.
 If clause + Main clause . 
+ Có 3 loại câu điều kiện:
 1. Điều kiện có thật (real condition)
 2. Điều kiện không có thật trong hiện tại (unreal condition in the present)
 3. Điều kiện không có thật trong qua khứ (unreal condition in the past)
+ Trong bài này chúng học về câu điều kiện loại 1: Điều kiện có thật (real condition)
+ Điều kiện có thật (real condition) là điều kiện có thể thực hiện hoặc có thể xảy ra trong hiện 
tại hoặc tương lai vì hành động mệnh đề If hoàn toàn có thể xảy ra.
 If clause + Main clause . 
 Present simple tense Future simple tense (will + V0)
 (Hiện tại đơn) (Tương lai đơn)
 :Ex ۞
 - If I drink coffee, I won’t be able to sleep. (Nếu tôi uống cà phê, tôi sẽ không ngủ được)
 - If it doesn’t rain, we’ll have a picnic. (Nếu trời không mưa, chúng ta sẽ đi dã ngoại)
+ Điều kiện loại 1 thường được dùng để khuyến cáo, đe dọa, khuyên ai đó hoặc diễn tả lời 
hứa, ưu điểm hay nhược điểm của điều đó.
 - Khuyến cáo:
(.Ex: If you smoke, you will damage your lungs. (Nếu bạn hút thuốc, bạn sẽ làm hại phổi ۞
 - Đe dọa:
 Ex: If you do that, we will call the police. (Nếu bạn làm điều đó, chúng tôi sẽ gọi cảnh ۞
sát.)
 - Lời khuyên:
 Ex: I fyou drink a glass of milk, you’ll feel better. (Nếu bạn một cốc sữa, bạn sẽ cảm thấy ۞
khỏe hơn.)
 - Lời hứa:
 Ex: If you win this game, we’ll give you a prize. (Nếu bạn thắng trò chơi này, chúng tôi sẽ ۞
trao giải thưởng cho bạn.)
 - Ưu điểm: 
 Ex: If I move that apartment, I won’t have to buy any furniture. (Nếu chuyển đến căn hộ ۞
đó, tôi không phải mua vật dụng nào cả.)
 Lưu ý: Không dùng thì tương lai trong mệnh đề If. ENGLISH GRAMMAR 9 UNIT 6
 Name: ....................................................................... Class: 9A .....
 UNIT 6: THE ENVIRONMENT
I. Pronunciation:
1. A. leave B. clean C. beach D. instead
2. A. recycle B. littering C. environment D. dynamite
3. A. now B. row C. how D. town
4. A. ocean B. flow C. post D. conservation
5. A. refreshment B. environment C. reduce D. deforestation
6. A. treasure B. sewage C. save D. campus
7. A. spoil B. folk C. float D. violent
8. A. aspect B. trash C. sand D. junkyard
9. A. polluted B. shore C. protect D. provide
10. A. persuade B. prevent C. impressive D. second-hand
1. A. dynamite B. pesticide C. pollution D. company
2. A. transport B. protect C. refresh D. prevent
3. A. attraction B. satisfactory C. conservation D. disappointment
4. A. irrigate B. important C. pollution D. particular
5. A. company B. consumption C. scientist D. instrument
6. A. historical B. politics C. computers D. adventure
7. A. conserve B. treasure C. junkyard D. sewage
8. A. industry B. comfortable C. argument D. essential
9. A. pesticides B. achievement C. refreshment D. pollutant
II. Choose the best answer:
1. The baby laughed ............. as she played with her toys. (happy/ happily/ unhappy/ unhappily)
2. I broke the cup ...... I was careless. (but/ therefore/ so/ because)
3. If we pollute the water, we ......... no fresh water to use. (will have/ is having/ have/ had)
4. If we ..... less paper, we ...... trees in the forest. (used-will save/ will use-can save/ can use-save/ use-can 
save)
5. People nowadays are interested ........ saving money and natural resources. (to/ with/ in/ on)
6. The air in the city ........ with traffic fumes. (is heavy polluted / is heavily polluted/ heavily is polluted/ 
polluted heavily) 
7. ........ air is one of the many problems we have to solve. (Pure/ Polluted/ Dust/ Pleasant)
8. They are trying to save the animals ......... extinction. (on / at/ from / to)
9. If we ............ much pesticides on vegetables, the vegetables will become poisonous and inedible. (to use/ 
use/ using / used)
10. I'll give you a lift to the station if ........ in a hurry. (you are/ you were / you will be/ you'd be)
11. If we go on ......... , the environment will become seriously polluted. (litter/ to litter/ littering/ littered)
12. All the different plants and animals in a natural community are dependent upon each other for ...... . 
(wildlife/ survival/ livings/ life)
13. Oxfam tries to send food to countries where people are suffering ............... malnutrition. (for / by / from/ 
of)
14. If you see Tom, ........... you mind ............ him to get in touch with me? (will - reminding/ will - to 
remind/ would - reminding / would - to remind)
15. My teacher is very pleased ........... all of her students got good marks in the exams. (that/ so/ which/ so 
that) ENGLISH GRAMMAR 9 UNIT 6
20. ..........................you drive without driving license, you’re breaking the law.
V. Supply the correct form of the words in brackets: 
1. Nowadays people are facing many ........................................... problems: global warming, desertification 
and pollution. (environment)
2. The mother was .......................... that her son hadn't passed the exam. (disappoint)
3. Many forests have been .................................... by people. (destruction)
4. The doctor examined her son with ................................... . (careful)
5. Pop drummers often play .............................. . (loud)
6. We are trying to produce products which are ................................. friendly. (environment)
7. I had a ........................... breakfast and went to school. (quickly)
8. The weather has been the ................................... for the last 5 years. (bad)
9. ............................ have warned the world people of the danger of deforestation. (environment)
10. The government is very concerned about the ................................................. of the rain forest. (destroy)
11. The restaurant is now under new ____________________. (manage) 
12. John wanted to be _________________ when he was 18. (depend) 
13. It is _______________to live in the neighbourhood with plenty of shops. (convenience) 
14. Thousands of people have been made _________________ by the war. (home) 
15. Some large cities have had measures to minimize air _________________. (pollute) 
16. Some ...................................... (environment) groups have declared the boycott of tourism on the island.
17. ...................................... (pollute) air can cause illness and even death.
18. We’re very ...................................... (excite) about our holiday.
19. Jackson cancelled the concert, to the great ...................................... (disappoint) of his fans.
20. Customers made a formal ...................................... (complain) about the way they were treated.
21. She ......................................(polite) declined his invitation.
22. That old man told me an ......................................(amaze) story.
23. I think the careless drivers should be fined ......................................(heavy).
VI. Find one mistake in each sentence, then correct.
1. The farmers in my village work hardly throughout the year. -> hard 
2. I couldn't catch him because he ran fastly. -> 
3. You will save some money unless you don't smoke. -> 
4. Please contact me if you will need further information. -> 
5. Forests are being destroyed because wild animals are losing their habitat. -> 
6. What about sort out the trash before throwing it to the garbage dumps? ->
7. Smoke from forest burnings and factories can be polluted the air we breathe. ->
8. It is essential that the world people have commonly standards on environmental protection. -> 
9. The mother fells happily that her son's school report is excellent. ->
10. Although they are poor, they live very happy.-> 
VII. Rewrite the sentence:
1. They discharge waste water from their factory directly into the river, so the river is now seriously polluted.
-> Because 
.............................................................................................................................................................
2. If we continue destroying forests we will have to suffer from floods and droughts.
-> Unless 
................................................................................................................................................................
3. Tom broke the flower vase . He's very sorry for that. ENGLISH GRAMMAR 9 UNIT 6
-> 
If ....
VIII. Choose the word or phrase that best fits the blank space in the passage: 
 Our oceans are becoming (1)_______ polluted. Most of this (2)_________ comes from the lands, 
which means it comes (3)______ people. First, there is raw sewage, which is (4)______ directly into the sea. 
Many countries, both developed and developing, are guilty of (5)_______ this. Secondly, ships drop about 
six million tons of garbage into the sea each year. Thirdly, there are oil spills from ships. A ship has an 
accident and oil leaks from the vessel.
 This is not (6)______ pollutes the water, but it also kills marine life. Next, there are (7)________ 
materials from factories. Without proper regulations, factory owners let the waste run directly into the rivers, 
which leads to the sea. And finally, oil is washed from the land. This can be the result of (8)__________ or a 
deliberate dumping of waste. 
 1. A. extremely B. extreme C. extreming D. extremed
 2. A. pollute B. pollution C. polluted D. polluting 
 3. A. in B. on C. to D. from 
 4. A. pumped B. pumping C. pump D. pumps 
 5. A. do B. did C. done D. doing 
 6. A. also B. only C. because D. Although 
 7. A. waste B. wasteful C. wasting D. wasted 
 8. A. carelessness B. carefulness C. carefully D. carelessly
IX. Writing: Use the cues to write correct sentences to make a complete letter
- I / write / you / bad situation / affect / lake / school
- As you know / lake / school / be beautiful
- However / it / become / polluted
- People / electricity / fish
- A lot / fish / die / float / water surface
- People / throw / rubbish / waste into / lake
- Now / bad smell / affect / school children’s health
- What / you think / polluted air?
- look forward to / hear / you / see / protection / environment / local authority
- Sincere / Long
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