1)Jim was absent from class yesterday. He was suffering from a bad cold

=> Jim was absent from class yesterday because he was suffering from a bad cold.

2)They decided to move the house. They don't have to travel a long distance to work

=> They decided to move their house so (so that) they don't have to travel a long distance to work

3)mary hurt her fingers yesterday. She was preparing dinner

=>Mary hurt her fingers yesterday while(when) she was preparing dinner

4)At 4 pm yesterday, my mother was cleaning the house.I was looking after my younger brother

=> At 4pm yesterday, my mother was cleaning the house while I was looking after my younger brother.

5)They decided to go on an excursion. They want to get away from work stress

=> They decided to go on an excursion since/because they want to get away from work stress.

6)my father taught me how to use the computer. before that, I didn't know how to use it

=> I didn't know how to use the computer until my father taught me how to use it

7)I arrive at the station. I will call you right after that

=> I will call you as soon as I arrive at the station.

8)My brother is very out-going. I am quite reserved

=> My brother is very out-going but I am quite reserved.

9)Mr.peter was walking home. he was robbed of his wallet

=> Mr.Peter was walking home when he was robbed of his wallet.

10)I don't have a pet. my mother doesn't allow me to have one

=> I don't have a pet because my mother doesn't allow me to have one.

Bài 3: Hãy tạo một câu từ hai câu, sử dụng các từ nối phù hợp

1. Jim was absent from class yesterday. He was suffering from a bad cold.

->Jim was absent from class yesterday because he was suffering from a bad cold.

=> Sau because + mệnh đề chỉ nguyên nhân

2. They decided to move the house. They don't have to travel a long distance to work.

->They decided to move the house because they don't have to travel a long distance to work. 

=> Sau because + mệnh đề chỉ nguyên nhân

3. Mary heard her fingers yesterday. She was reparing dinner. 

->Mary heard her fingers yesterday when he was reparing dinner. 

=> When dùng chỉ  hành động đâng xảy ra có hành động khác xem vào

4. At 4 pm yesterday, my mother was cleaning the house. I was looking after my younger brother.

->At 4 pm yesterday, my mother was cleaning the house while I was looking after my younger brother.

=> While là 2 hành động đang xảy ra song song tại 1 thời điểm xác định trong quá khứ

5. They decided to go on an excursion. They want to get away from work stress. ->They decided to go on an excursion because they want to get away from work stress.

=> Sau because + mệnh đề chỉ nguyên nhân

6. My father taught me how to use the computer. Before that, I didn't know how to use it.

->My father taught me how to use the computer which I didn't know how to use.

=> Trạng từ quan hệ which dùng làm chủ ngữ thay cho S hoặc O

7. I arrive at the station. I will call you right after.

->I arrive at the station, so I will call you right after.

=> Sau so+ mệnh đề chỉ kết quả

8. My brother is very out-going. I am quiet reserved.

-> My brother is very out-going, but I am quiet reserved.
=> But chỉ 2 mệnh đề trái ngược

9. Mr Peter was walking home. He was robbed of his wallet.

-> when Mr Peter was walking home, He was robbed of his wallet.

Hành động đang xảy ra có hành động khác xen vào

10. I don't have a pet. My mother doesn't allow me to have one.

->I don't have a pet because My mother doesn't allow me to have one.

=> Sau because + mệnh đề chỉ nguyên nhân