Câu điều kiện loại 1 lớp 9
I. Lý thuyết câu điều kiện loại 1 với động từ khuyết thiếu 1. Cấu trúc
If + S + V(s/es) + (bổ ngữ), S+ will + V nguyên mẫu + (bổ ngữ) 2. Chức năng
Dùng để diễn tả 1 hành động có thể xảy ra ở hiện tại hoặc tương lai.
3. Động từ khuyết thiếu trong điều kiện loại 1
Thay vì dùng “will” ta có thể dùng các động từ khiếm khuyết khác như: can, must,
might, may hoặc should trong mệnh đề chính để diễn đạt khả năng, sự cho phép, lời
khuyên, sự cần thiết…
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.
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
a. the groundwater will be poisoned. lake,
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
h. if people practice sustainable atmosphere will be reduced 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.
III. Đáp án bài tập vận dụng
Exercise 1: Put the verbs in brackets into the correct tenses of the conditionals
1. If you (not go) don’t go away I’ll send for the police.
2. I’ll be very angry if he (make) makes any more mistakes.
3. If he (be) is late, we’ll go without him.
4. Unless she (pay) pays more attention to the lesson, she (fail) will fail the test.
5. It (be) will be late if you ( not start) don’t start your work now.
6. My mother (not permit) will not permit me to go out unless I (promise) promise her to come back before 10.
Exercise 2: Complete the second sentence in each pair so that it has similar meaning
to the first sentence, using “if”
1. If you don’t want to get sick, you should eat more healthily.
2. If you read more books, you can broaden your knowledge.
3. If you save money from now, you can reward yourself with a long vacation at the end of the year.
4. If you live in a cold country, you won’t like hot weather.
5. If you’re a teacher, you will have to work very hard.
Exercise 3: Reorder these words to have correct sentences
1. I will never forgive him even if he apologizes to me.
2. If you happen to visit Thailand, you should try the local specialties.
3. If James wants to get promotion, he must show his hard work and dedication. Exercise 4: Match 1. e 2. a 3. h 4. c 5. b 6. d 7. f 8. g
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 ……must……… go to the bus stop immediately.
2. If you don’t feel well enough for the walk, you ……should……… stay at home and take a rest.
3. If you think this T-shirt is overpriced, you ……should……… not buy it.
4. My parents are very strict. I ………must…… ask for their permission if I want to go out in the evening.
5. If you have completed your homework, you ……can……… watch TV or play computer games in one hour.
6. If you want your drink to be cooler, you ……may/ might……… need to add some more ice.