Câu điều kiện loại 1 lớp 9
Bài tập câu điều kiện loại 1
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Câu điều kiện loại 1 lớp 9
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I. Lý thuyết câu điều kiện loại 1 với động từ khuyết thiếu
1. Cấu trúc
|
If clause |
Main clause |
|
If + S + V/V(-s/es) If + S + am / is / are |
, S + will / shall + V |
2. Chức năng
Dùng để diễn tả 1 hành động có thể xảy ra ở hiện tại hoặc tương lai.
3. Cách sử dụng
- Mệnh đề "If", có thể đứng trước hoặc đứng sau
If I work hard, I'll pass my exam.
I'll pass my exam if I work hard.
- Có thể đùng các động từ khuyết thiếu “can/ may/ must” thay cho "will/ shall" ở mệnh đề chính tuỳ tình huống.
- Có thể dùng dạng "Mệnh lệnh: V+ ...! / Don't V...!" ở mệnh đề chính.
Please tell him to come to my office if you see him
- "If" có thể được thay bằng "When"
II. Bài tập vận dụng
Exercise 1: Put the verbs in brackets into the correct tenses of the conditionals
1. If you (not go) _______________ away I’ll send for the police.
2. I’ll be very angry if he (make) _______________ any more mistakes.
3. If he (be) _______________ late we’ll go without him.
4. Unless she (pay) _______________ more attention to the lesson, she (fail) _______________ the test.
5. It (be) _______________ late if you ( not start) _______________ your work now.
6. My mother (not permit) _______________ me to go out unless I (promise) _______________ her to come back before 10.
7. On condition that David (keep) _________ his promise, I (lend) _________ him my bike.
8. If I (be) _________ late for work, I (take) _________ a short cut across the park to save time.
9. In the event that you (not get) _________ employed, you (work) _________ for me.
10. (not forget) _________ to call your mother if you (come) _________ home late.
11. If your sister (not, water) _________ the flowers regularly, they (die) _________.
Exercise 2: Complete the second sentence in each pair so that it has similar meaning to the first sentence, using “if”
1. Unless you want to get sick, you should eat more healthily.
_____________________________________________
2. Read more books and you can broaden your knowledge.
_____________________________________________
3. Save money from now and you can reward yourself with a long vacation at the end of the year.
_____________________________________________
4. People who live in a cold country don t like hot weather.
If you live ____________________________________
5. Teachers have to work very hard.
If you’re a teacher, _____________________________
Exercise 3: Reorder these words to have correct sentences
1. even/ I/ me/ if/ will/ to/ never/ apologizes/ forgive/ he/ him.
______________________________________________
2. specialties/ Thailand/ local/ visit/ ,/ the/ to/ try/ happen/ should/ you/ you/ if.
______________________________________________
3. promotion/ he/ get/ must/ to/ dedication/ show/ wants/ his/ James/ hard/ work/ , / and.
______________________________________________
Exercise 4: Match
|
A |
B |
|
1. If people keep dumping rubbish into the lake, |
a. the groundwater will be poisoned. |
|
2. If the farmers overuse pesticide, |
b. if our surrounding environment is polluted |
|
3. Soil erosion won’t happen in an area, |
c. they will disappear in the future. |
|
4. if we don’t converse the rainforests, |
d. unless we join hands to protect it. |
|
5. Our health will be badly affected |
e. the aquatic life will be afflicted. |
|
6. Our environment will be damaged |
f. floods will be more and more severe. |
|
7. Is we don’t protect the frontier forests, |
g. if people use more public transportation. |
|
8. The amount of carbon dioxide in the atmosphere will be reduced
|
h. if people practice sustainable agricultural mad use. |
Exercise 5: Choose can, must, may, might or should to fill in the blank
1. If you don’t want to miss the last bus of the day, you …………… go to the bus stop immediately.
2. If you don’t feel well enough for the walk, you …………… stay at home and take a rest.
3. If you think this T-shirt is overpriced, you …………… not buy it.
4. My parents are very strict. I …………… ask for their permission if I want to go out in the evening.
5. If you have completed your homework, you …………… watch TV or play computer games in one hour.
6. If you want your drink to be cooler, you …………… need to add some more ice.
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