I turned off the lights. After that, I left the room
→ Before
6. I turned off the lights. After that, I left the room. (before)
.......................................................................................................................
7. The other passengers will get on the bus soon. Then we’ll leave. (as soon as)
.......................................................................................................................
8. Susan sometimes feels nervous. Then she chews her nails.(whenever)
.......................................................................................................................
9. The frying pan caught on fire. I was making dinner at that time.(while)
.......................................................................................................................
10. I won’t return my book to the library. I’ll finish my research project first.(until)
6. I (had) turned off the lights before I left the room.
7. As soon as the other passengers get on the bus soon, we'll leave.
8. Whenever Susan feels nervous, she chews her nails.
9. The frying pan caught on fire while I was making dinner.
10. I wont return my book to the library until I have finished my research project.
Before I left the room, I had turned off the lights.
-> After
I had turned off the lights, I left the room
2. Tìm lỗi trong những câu sau
1. After I had run 10 kilometers, I drank a lot of water, but I was still thirsty.
2. She turned off the lights after everyone had left the room.
3. When we were in New York, we saw several plays.
4. By the time he arrived, we had already finished work.
5. She got a job after she had graduated from university.
1. Let's watch some video films!
=> Why................?
2. They turned off the lights when they left a room
=> The.............
3. I don't have so many books as my brother does
=> I have..........
4. He put some solar panels on the roof last week
=> Some solar..........
5. She likes arranging flowers very much (on)
=> She.............
6. My watch is not the same as yours (from)
=> Your watch.....
Complete the sentences, using the given words in the brackets.
1. The film was boring. She decided to go home early. (so ... that)
2. It is a difficult question. All the students can't answer it. (such ... that)
3. Mr. Brown wants to use solar energy. Mr. Brown does not have enough money to buy necessary equipment. (but)
4. Shakespeare died in 1616. He had written more than 37 plays before then. (by the time)
5. Douglas fell off his bicycle last week. He has had to use crutches to walk. (since)
6. I turned off the lights. After that, I left the room. (before)
7. The other passengers will get on the bus soon. Then we'll leave. (as soon as)
8. Susan sometimes feels nervous. Then she chews her nails. (whenever)
9. The frying pan caught on fire. I was making dinner at that time. (while)
10. I won't return my book to the library. I'll finish my research project first. (until)
1. The film was so boring that she decided to go home early.
2. It is such a difficult question that all the students can't answer it.
3. Mr. Brown wants to use solar energy but he does not have enough money to buy necessary equipment.
4. By the time Shakespeare died in 1616, he had written more than 37 plays.
5. Since Douglas fell off his bicycle last week, he has had to use crutches to walk.
6. I (had) turned off the lights before I left the room.
7. As soon as the other passengers get on the bus soon, we'll leave.
8. Whenever Susan feels nervous, she chews her nails.
9. The frying pan caught on fire while I was making dinner.
10. I wont return my book to the library until I have finished my research project.
1. The film was so boring that she decided to go home early
2. It is such a difficult question that all the students can't answer
3. Mr. Brown wants to use solar energy but he does not have enough money to buy necessary equipment.
4. By the time Shakespeare died in 1616, he had written more than 37 plays.
5. Since Douglas fell off his bicycle last week, he has to use crutches to walk
6. Before I left the room, I had turned off the lights.
7. As soon as the other passengers get on the bus, we will leave
8. Whenever Susan feels nervous, she chew her nails
9. While I was making dinner at that time, the frying pan caught on fire
10. I won't return my book to the library until I finish my research project.
1. The film was so boring that she decided to go home early.
2. It is such a difficult question that all the students can't answer it.
3. Mr. Brown wants to use solar energy but he does not have enough money to buy necessary equipment.
4. By the time Shakespeare died in 1616, he had written more than 37 plays.
5. Since Douglas fell off his bicycle last week, he has had to use crutches to walk.
6. I (had) turned off the lights before I left the room.
7. As soon as the other passengers get on the bus soon, we'll leave.
8. Whenever Susan feels nervous, she chews her nails.
9. The frying pan caught on fire while I was making dinner.
10. I wont return my book to the library until I have finished my research project.
He turned off the lights before going out _____ waste electricity.
A. so that not
B. as not to
C. in order that not
D. so as not to
Đáp án: D
Giải thích: mệnh đề trạng ngữ chỉ mục đích so as (not) to V
Dịch: Anh ta tắt đèn trước khi ra ngoài để tránh tốn điện.
He turned off the lights before going out _____ waste electricity.
A. so that not
B. as not to
C. in order that not
D. so as not to
KEY: D
Giải thích: mệnh đề trạng ngữ chỉ mục đích so as (not) to V
Dịch: Anh ta tắt đèn trước khi ra ngoài để tránh tốn điện.
Someone turned off the lights when I went out
-> The lights..................
Helps me
Mình đang phân vân là
The lights were turned off when I went out
The lights was turned off when I went out
Someone turned off the lights when I went out
-> The lights were turned off when I went out.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
To save energy, all the lights should be turned off before going out.
A. To save
B. should
C. turned off
D. going out
Đáp án D
Before + Ving chỉ khi 2 mệnh đề cùng chủ ngữ, chủ ngữ của mệnh đề chính là “all the lights”