Choose the best answer.
__________the truth yesterday, I would have saved myself a lot of time over the years.
-
A.
Had I known
-
B.
Did I know
-
C.
If I know
-
D.
If I would know
Phương pháp:
- Cấu trúc câu điều kiện loại 3: diễn tả giả định không thể xảy ra ở quá khứ:
If + S + had + Ved/V3, S + would + have + Ved/V3
- Nếu dùng phép đảo ngữ:
Had + S + Ved/V3, S + would + have + Ved/V3.
- Cấu trúc câu điều kiện loại 3: diễn tả giả định không thể xảy ra ở quá khứ:
If + S + had + Ved/V3, S + would + have + Ved/V3
- Nếu dùng phép đảo ngữ:
Had + S + Ved/V3, S + would + have + Ved/V3.
=> Had I known the truth yesterday, I would have saved myself a lot of time over the years.
Tạm dịch: Nếu hôm qua tôi biết được sự thật, tôi đã tự tiết kiệm được nhiều thời gian trong những năm vừa qua. (Thực tế là hôm qua tôi không hề biết sự thật và đã không tiết kiệm được thời gian.)
Đáp án : A
Các bài tập cùng chuyên đề
Bài 1 :
Choose the best answer.
If he________exercises, he________play soccer.
-
A.
doing/can
-
B.
does/could
-
C.
does/can
-
D.
did/could
Bài 2 :
Choose the best answer.
If I________money, I________a new uniform.
-
A.
have/will buy
-
B.
has/will buy
-
C.
had/will buy
-
D.
had/would buy
Bài 3 :
Choose the best answer.
If you ________ enough sleep, you ________ a headache.
-
A.
don’t get/get
-
B.
don’t get/got
-
C.
don’t get/will get
-
D.
get/would get
Bài 4 :
Choose the best answer.
If water is heated to 100oC, it________to steam.
-
A.
turned
-
B.
will turn
-
C.
turn
-
D.
turns
Bài 5 :
Choose the best answer.
If I __________the same problem you had as a child, I might not have succeeded in life as well as you have.
-
A.
have
-
B.
would have
-
C.
had had
-
D.
should have
Bài 6 :
Choose the best answer.
If I had known you were asleep, I __________so much noise when I came in.
-
A.
didn’t make
-
B.
wouldn’t have made
-
C.
won’t make
-
D.
don’t make
Bài 7 :
Choose the best answer.
If the tree hadn't been so high, he _____ it up to take his kite down.
-
A.
could have climbed
-
B.
climb
-
C.
is climbing
-
D.
climbed
Bài 8 :
Choose the best answer.
If she ____ the truth, I think she’d never want to see you again.
-
A.
would know
-
B.
knows
-
C.
will know
-
D.
knew
Bài 9 :
Choose the best answer.
I ____ the police unless you ______
-
A.
will call/ don’t
-
B.
will call/ go out
-
C.
won’t call/don’t go out
-
D.
don’t call/go out
Bài 10 :
Choose the best answer.
Do you think there would be less conflict in the world if all people ______ the same language?
-
A.
don’t speak
-
B.
spoke
-
C.
speak
-
D.
have spoken
Bài 11 :
Choose the best answer.
Were he ten years younger, he _____ part in the voyage around the world.
-
A.
would take
-
B.
took
-
C.
will take
-
D.
takes
Bài 12 :
Choose the best answer.
__________more help, I will call my neighbor.
-
A.
Needed
-
B.
Should I need
-
C.
I have needed
-
D.
I should need
Bài 13 :
Choose the best answer.
__________the truth yesterday, I would have saved myself a lot of time over the years.
-
A.
Had I known
-
B.
Did I know
-
C.
If I know
-
D.
If I would know
Bài 14 :
Choose the best answer.
Had you told me that this was going to happen, I __________it.
-
A.
would have never believed
-
B.
would not believe
-
C.
hadn’t believed
-
D.
would have never been believed
Bài 15 :
Choose the best answer.
Unless you __________all of my questions, I can’t do anything to help you.
-
A.
answered
-
B.
answer
-
C.
would answer
-
D.
are answering
Bài 16 :
Choose the best answer.
She says if she _____ that the traffic lights were red she _____.
-
A.
had realized / would stop
-
B.
realized / could have stopped
-
C.
has realized / stopped
-
D.
had realized / would have stopped
Bài 17 :
Choose the best answer.
You won't pass the examination_____ you study more.
-
A.
as long as
-
B.
unless
-
C.
if
-
D.
whether
Bài 18 :
Choose the best answer.
It was much colder than we had thought. _____ we had taken more warm clothes.
-
A.
if
-
B.
unless
-
C.
but for
-
D.
if only
Bài 19 :
Choose the best answer.
I would have crashed the car _____.
-
A.
unless you warned me
-
B.
in case you warn me
-
C.
if there were a warning
-
D.
but for your warning
Bài 20 :
Choose the best answer.
_____ the boat leaves on time, we will arrive in Paris by the morning.
-
A.
If only
-
B.
Provided that
-
C.
But for
-
D.
Without
Bài 21 :
Choose the best answer.
We're going to start painting the house tomorrow_____ it's not raining.
-
A.
provided
-
B.
unless
-
C.
whether
-
D.
until
Bài 22 :
Choose the best answer.
George won't lend you any money_____ you promise to pay him back.
-
A.
providing
-
B.
if
-
C.
provided
-
D.
unless
Bài 23 :
Choose the best answer.
I think you _____ regret if you _____ to give up hope. Fortunately, you did right thing.
-
A.
will/decided
-
B.
would/had decided
-
C.
would have/decided
-
D.
would/decided
Bài 24 :
a. Write sentences using the prompts.
(Viết câu sử dụng gợi ý.)
1. as long as/they/keep/do/work/animals/not/go/extinct
___________________________________________________________
2. we can/reintroduce/injured animals/their habitats/provided that/they/be/better
___________________________________________________________
3. unless/they/clean/beach/marine life/will/danger
___________________________________________________________
4. if/they/organize/monthly/clean-up/the/beach/will/beautiful
___________________________________________________________
5. we should/plant/more trees/in case/deforestation/get/worse
___________________________________________________________
Bài 25 :
b. Circle the sentence that most closely matches the original.
(Khoanh tròn câu phù hợp nhất với câu gốc.)
1. In case the destruction of marine habitats continues to happen, we should protect more marine areas.
(Trong trường hợp môi trường sống ở biển tiếp tục bị tàn phá, chúng ta nên bảo vệ nhiều khu vực biển hơn.)
A. We should protect marine areas if destruction continues.
(Chúng ta nên bảo vệ các khu vực biển nếu tình trạng phá hủy vẫn tiếp diễn.)
B. We shouldn’t protect marine areas if destruction stops.
(Chúng ta không nên bảo vệ các vùng biển nếu sự tàn phá chấm dứt.)
C. We should protect marine areas to prepare for destruction.
(Chúng ta nên bảo vệ các vùng biển để chuẩn bị cho sự hủy diệt.)
2. As long as we stop overfishing, we can save the fish populations.
(Miễn là chúng ta ngừng đánh bắt quá mức, chúng ta có thể cứu được quần thể cá.)
A. Stopping overfishing will help fish populations.
(Việc ngừng đánh bắt quá mức sẽ giúp ích cho quần thể cá.)
B. Stopping overfishing will reduce fish populations.
(Ngừng đánh bắt quá mức sẽ làm giảm quần thể cá.)
C. Overfishing causes low fish populations.
(Đánh bắt quá mức gây ra số lượng cá thấp.)
3. Animals will go extinct unless we breed them.
(Động vật sẽ tuyệt chủng trừ khi chúng ta nhân giống chúng.)
A. Breeding animals will make them go extinct.
(Việc chăn nuôi động vật sẽ khiến chúng bị tuyệt chủng.)
B. If we breed animals, they will go extinct.
(Nếu chúng ta nuôi động vật, chúng sẽ bị tuyệt chủng.)
C. Breeding animals will stop them from going extinct.
(Việc nhân giống các loài động vật sẽ giúp chúng không bị tuyệt chủng.)
4. If we boycott the business, they will start being eco-friendly.
(Nếu chúng ta tẩy chay doanh nghiệp, họ sẽ bắt đầu thân thiện với môi trường.)
A. The business won’t be eco-friendly if we boycott them.
(Doanh nghiệp sẽ không thân thiện với môi trường nếu chúng ta tẩy chay họ.)
B. The business will be eco-friendly as long as we boycott them.
(Việc kinh doanh sẽ thân thiện với môi trường miễn là chúng ta tẩy chay chúng.)
C. Unless we boycott them, the business won’t be eco-friendly.
(Trừ khi chúng ta tẩy chay họ, việc kinh doanh sẽ không thân thiện với môi trường.)
Bài 26 :
Conditionals types 1 and 2 (Câu điều kiện loại 1 và 2)
1. Choose the correct option. (Chọn đáp án đúng.)
1. Would you join an environmental group if you have/if you had some free time?
2. We'd surely save/’ll surely save a lot of money if we use these light bulbs.
3. If I were you, I'll have/I'd have solar panels installed in the house.
4. If they switch to solar power next month, I'm sure they will save/would save on their electricity bills.
5. Would/Will our economy be boosted if we were less dependent on fossil fuels?
6. The climate crisis won't get any better if/ unless we use renewable energy sources.
Bài 27 :
2. Choose the option (A, B, C or D) to indicate the underlined part that needs correction.
(Chọn A, B, C hoặc D để chỉ ra phần gạch chân cần được sửa.)
1 If (A) I were you, I will (B) have solar panels installed (C) on (D) the house roof.
2 If (A) we use (B) more fossil fuels, we will (C) have few emissions (D).
3. Your carbon footprint would (A) be (B) smaller if you (C) switch to (D) solar power.
4. Would your dad switch (A) to the (B) electric car if he can (C) afford (D) one?
5. The coal-fired power plant will be (A) closed if (B) a tidal power plant were (C) built (D) near our town.
Bài 28 :
4. Choose the correct option. (Chọn đáp án đúng.)
1. If Cathy has some free time at the weekend, she _____ a seminar on geothermal power.
A. would attend B. will attend C. attends D. would have attended
2. I _____this car if I had known it caused so much pollution.
A. would have bought B. wouldn't buy
C. wouldn't have bought D. would buy
3. If I were a city planner, I _____ green energy technology here.
A. would use B. will use C. used D. use
4. Unless they _____ solar panels to be economical in the long run, we wouldn't have decided to use them in our area.
A. hadn't proved B. had proved C. didn't prove D. proved
5. If we _____ in tidal energy in this area, we would reduce our dependence on fossil fuels.
A. invested B. invest C. had invested D. would invest
Bài 29 :
Conditional types 1 and 2 (Câu điều kiện loại 1 và 2)
1. Choose the correct answer. (Chọn đáp án đúng.)
1. If I were him, I _____ installing an electric charging station at home.
A. consider B. would consider C. will consider D. considered
2. Unless you _____ your energy waste, you won't reduce your carbon footprint.
A. will limit B. would limit C. limit D. limited
3. They will avoid creating emissions if they _____ using tidal power.
A. start B. started C. would start D. will start
4. We would reduce our dependence on imported fuels if we _____ more in green energy.
A. invested B. will invested C. would invest D. invest
5. If the government builds more turbines, we _____ to harness the power of the wind to produce more clean energy.
A. are able B. would be able C. were able to D. will be able
6. If Josh _____ an electric car, he would replace his petrol one.
A. can afford B. would afford C. could afford D. will afford
Bài 30 :
2. Choose the option (A, B, C or D) to indicate the underlined part that needs correction.
(Chọn đáp án (A, B, C hoặc D) để chỉ ra phần gạch chân cần sửa lại.)
1. Jake and Marrie’s home would be (A) more environmentally friendly if (B) they install solar panels on (C) their (D) roof this year.
2. Global warming will get worse unless (A) we stopped (B) depending on (C) fossil fuels for producing (D) energy.
3. If (A) we didn’t reduce (B) water wastage soon, we will (C) have to deal with (D) water shortages.
4. The soil would become (A) more polluted if (B) people continue (C) to use harmful chemicals in (D) farming.
5. Overloaded landfills wouldn’t be (A) such an issue unless (B) people used (C) fewer disposable items and recycled (D) more.
