I. Rewrite the sentences, using “because”.

Example:   He couldn’t meet you because of being busy.

               " He couldn’t meet you because he was busy.

1. She must stay in bed because of her sickness.

" …………………………………She must stay in bed because she is sick………………………………………………………………

2. Two cars can’t pass each other because of the narrow road.

" ……………………………………………Two cars can’t pass each other because the road is narrow……………………………………………………

3. Nobody can’t do this test because of its difficulty.

" ……………………………………Nobody can’t do this test because it is difficult……………………………………………………………

4. They couldn’t keep on clearing the beach because of heavy rain.

" ……………………………………………… They couldn’t keep on clearing the beach because it rained heavily…………………………………………………

5. She can’t work hard because of her age.

"…………………………………She can’t work hard because she is old……………………………………………………………….

  II. Rewrite these sentences, using “because of “

1. She can’t work hard because she is very old.

" ………………………………She can’t work hard because of her age.…………………………………………………………………

2. He likes her because she is beautiful.

" ………………………………He likes her because of her beauty……………………………………………………………….

3. I can’t buy this bike because I don’t have enough money.

" ……………………………I can't buy this bike because of not having enough money………………………………………………………………….

4. She was very happy because she was given a new bike.

" …………………………………She was very happy because  of being given a new bike…………………………………………………………….

I have bought some clothes-pegs because I want to hang the washing out

-> I have bought some clothes pegs in order to hang the washing out.

he did not want to worry her, so he did not tell her what happened

-> He did not tell her what happended so as not to worry her.

If we want to get there before dark,we must leave now

-> We must leave now so that we get there before dark.

she was very friendly to him because she wanted to nick his wallet

-> She was very friendly to him in order to nick his wallet.

I have bought some clothes pegs because I want to hang the washing out

-> I havr bought some clothes pegs in order to hang the washing out

He did not want to worry her,so he did not tell her what happened

-> He did not tell her what happended so as not to worry her

If we want to get there before dark,we must leave now

-> vWe must leave now so that we get there before dark

She was very friendly to him because she wanted to nick his wallet

-> She was very friendly to him in order to nick his wallet

He said to his friend that he had to go home then

She asked me if I wrote a letter

Judy said that Jonh wanted to there but he wasn't very well

He said that he had to to go home then 

She asked me if I wrote a letter

Judy said John wanted to come there but he wasn't very well

1.I am under pressure to make a decision soon by them.

2.My sister took exception to be left out of the English club.

3.The English actor Oliver Reed was often rude to people despite always being kind to animals.
Bạn tham khảo nhé:3

1. Only a brave person could have done that.

2. To avoid making anyone up, Doris tiptoed up the stairs.

3. Nancy prides herself on her cooking.

4. Nobody took any notice of my protests.

5. Except for Kate, Dolly has no real friend.

6. Little does Rita realise how serious her husband’s operation is going to be.

7. Rather than take it back to the shop he decided to repair the things himself.

8. Even if you offered more money, it wouldn’t make any difference.

9. However experienced a driver you  maybe, driving at that speed is dangerous.

10. It’s too wonderful an opportunity for us to miss.

11. That can't have been/shouldn't have been Nick that you saw. 
12. You must have given/might have given me a hand! 
13. I caught a later train because I had to see/must have seen a client. 
14. I suppose Bill should have lost/might have lost his way. 
15. I didn't refuse the cake, as it should have been/would have been rude. 
16. I don't know who rang, but it could have been/must have been Jim. 
17. It was odd that you should have bought/would have bought the same car. 
18. It's a pity you didn't ask because I can't help/could have helped you. 
19. It's your own fault, you can't have/shouldn't have gone to bed so late

1. Ha can swim. (Hà có thể bơi.)
 => False
Thông tin: Ha can play badminton, but she can’t swim. (Hà có thể chơi cầu lông, nhưng cô ấy không thể bơi.)
2. Khoa can't ride a horse. (Khoa không thể cưỡi ngựa.)
 => True
Thông tin: Khoa can ride a bike, but he can’t ride a horse. (Khoa có thể đi xe đạp, nhưng cậu ấy không thể cưỡi ngựa.) 
3. Rosie can play the guitar. (Rose có thể chơi đàn ghi-ta.) 
=> False
Thông tin: Rosie can play the piano, but she can’t play the guitar.(Rosie có thể chơi đàn dương cầm, nhưng cô ấy không thể chơi đàn ghi-ta.)
4. They can all roller skate. (Tất cả họ đều có thể trượt patin.) 
=> True 
Thông tin: We can all roller skate. (Tất cả chúng tớ đều có thể trượt patin.)