1.     Margaret stayed at home because her mother was sick.

 Owing to her mother's sickness, Margaret stayed at home

2     I couldn’t do the test because it is difficult.

Due to the difficulty of the test, I couldn't do it

16)  Mary didn’t go to school yesterday because she was sick.

>> Because of her sickness, Mary didn’t go to school yesterday 

17)  She went to bed early because she felt tired.

>>Because of feeling tired,  She went to bed early 

18)  Margaret stayed at home because her mother was sick.

>> Because of her mother's sickness, Margaret stayed at home

19)  I couldn’t do the test because it was difficult.

>> Because of the difficult test, I couldn’t do the test 

20)   I couldn’t read the letter because it was dark.

>> Because of the darkness, I couldn’t read the letter 

21)   I can’t study because it is noisy.

>> Because of the noise, I can’t study 

22)  The train come late because it was foggy.

>> Because of the fog, The train come late 

23)   The train was late because the fog was thick.

>> Because of the thick fog, The train was late

24)  I can’t sleep because the weather is hot.

>> Because of the hot weather, I can’t sleep

25)  All the teacher love him because his conduct is good.

>> Because of his good conduct, All the teacher love him

26)  Because there was a traffic accident, I went to school late.

>> Because of the traffic accident, I went to school late.

27)  Because there is a  shortage of meet, we had to live on beans.

>> Because of a shortage of meet, we had to live on beans.

28)  Because there was a lack of water, many trees died rapidly.

>> Because of  a lack of water, many trees died rapidly.

29)  She walked slowly because her leg was injured.

>> Because of her injured leg, She walked slowly

30)  Because it was sunny, we decided to go camping.

>> Because of the sunny weather, we decided to go camping.

Due to her mother's sickness, Margaret stayed home

28 Because of Ann's bad cold, she didn't go to the circus with Betty

29 Because of John's hard and methodical work, he succeeded in his exam

30 Because of her mother's sickness, she stayed home

31 Because of his father's kindness to me, I like him

Change clauses of reas on to phrases: 1. Mary didn't go to school yesterday because she was sick. ..Because of Mary's sickness , she didn't go to school yesterday ...

2. She went to bed early because she felt tired. ..She went to bed early because of feeling tired ...

3.Ann didn't go to the circus with Betty because she had a bad cold ...Ann didn't go to the circus with Betty because of having a bad cold ..

4. John succeeded in his exam because he worked hard and methodically. ..John succeeded in his exam because of his hard and methodically work..

5. Margaret stayed home because her mother was sick. ..Margaret stayed home because of her mother 's sickness....

6. I like him because his father is kind to me. .... I like him because of his father 's kindness.

7. I can't eat these fruits because they are green. ...I can't eat these fruits because of being green..

8. I couldn’t do the test because it was difficult. .I couldn’t do the test because of its dificulty...

9. I couldn’t read the letter because it was dark. .. I couldn’t read the letter because of the darkness.

10. He came late because it rained heavily .... He came late because of the heavy rain...

Change clauses of reas on to phrases:

1. Mary didn't go to school yesterday because she was sick.

=> Mary didn't go to school yesterday because of her sickness

2. She went to bed early because she felt tired.

=> She went to bed early because of her tiredness

3.Ann didn't go to the circus with Betty because she had a bad cold

=> Ann didn't go to the circus with Betty because of her bad cold

4. John succeeded in his exam because he worked hard and methodically.

=> John succeeded in his exam because of working hard and methodically.

5. Margaret stayed home because her mother was sick.

=> Margaret stayed home because of her mother’s sickness

6. I like him because his father is kind to me.

=> Because of the kind of his father, I like him.

7. I can't eat these fruits because they are green.

=> Because of green fruits, I can't eat them.

8. I couldn’t do the test because it was difficult.

=> Because of its difficulty, I couldn't do the test .

9. I couldn’t read the letter because it was dark.

=> Because of the darkness , I couldn’t read the letter .

10. He came late because it rained heavily

=> Because of the heavy rain, He came late .

1. Mary didn't go to school yesterday because she was sick

-> Because of her sickness, Mary didn't go to school yesterday.

3. Margaret stayed at home because her mother was sick

-> Because of her mother sickness, Margaret stayed at home.

5. I couldn't read the letter because is was dark

-> Because of darkness, I couldn't read the letter.

1. Because he was worried, he couldn'd sleep.

2. Because he stayed up late last night, he is tired.

3. Because of her mother's sickness, she stayed at home.

Viết lại câu:

1, The teacher is sick. We will have no class tomorrow. (because)

-> We will have no class tomorrow because the teacher is sick

2, Son Tung M-TP walked slowly. His leg was injured. (since)

-> Son Tung M-TP has walked slowly since his leg was injured

3, Chipu looked happy. She has just got good mark. (as)

-> Chipu looked as happy as she has just got good mark

4, It got dark. I couldn't read the letter. (because)

-> I couldn't read the letter because it got dark

5, I didn't come in time. There was a traffic jam. (because)

-> I didn't come in time because there was a traffic jam

6, Son Tung M-TP stayed at home yesterday. His mother was sick. (since)

-> Son Tung M-TP has stayed at home yesterday since his mother was sick

7, We didn't want to go out. It rained heavily. (as)

-> It rained as heavy as we didn't want to go out

8, It's raining, so we stay at home. (because)

-> We stay at home because it's raining

9, Most of people hear jogging is a good exercise, so they begin to jog. (since)

-> Most of people have begun to jog since they heard jogging is a good exercise

10, The climate in the country is healthy, so people like to live there. (because)

-> People like to live in the country because the climate is healthy

11, Chipu stayed at home beacause her mother was sick. (because of)

-> Chipu stayed at home beacause of her mother's sickness

12, The plan couldn't take off beacause of the bad weather. (because)

-> The plan couldn't take off because the weather was bad

Viết lại câu:

1, The teacher is sick. We will have no class tomorrow. (because)

=> We will have no class tomorrow because the teacher is sick.

2, Son Tung M-TP walked slowly. His leg was injured. (since)

=> Son Tung MTP walked slowly since his leg was injured

3, Chipu looked happy. She has just got good mark. (as)

=> Chipu looked happy as she has just got good mark.

4, It got dark. I couldn't read the letter. (because)

=> I couldn't read the letter because it got dark.

5, I didn't come in time. There was a traffic jam. (because)

=> I didn't come in time because there was a traffic jam.

6, Son Tung M-TP stayed at home yesterday. His mother was sick. (since)

=> Son Tung MTP stayed at home since his mother was sick.

7, We didn't want to go out. It rained heavily. (as)

=> We didn't want to go out as it rained heavily.

8, It's raining, so we stay at home. (because)

=> We stay at home because it's raining.

9, Most of people hear jogging is a good exercise, so they begin to jog. (since)

=> Most of people begin to jog since they hear jogging is a good exercise.

10, The climate in the country is healthy, so people like to live there. (because)

=> People like to live there because the climate in the country is healthy.

11, Chipu stayed at home beacause her mother was sick. (because of)

=> Chipu stayed at home because of her mother's sickness.

12, The plan couldn't take off beacause of the bad weather. (because)

=> The plan couldn't take off because the weather was bad.

1.Because I was sick, I couldn't go out .(so)

I was sick so I couldn't go out.

2.Lan was tired , so she stayed at home.(because)

Lan stayed at home because she was tired.

3.Let's have a picnic in the park on the weekend

=>Why don't we have a picnic in the park on the weeken?

4.Does your class have twenty-five students?

-> Are there twenty-five students in your class?

5.No house in the street is older than this house.

This house is the oldest house in the street.

6.My father rides his motorbike to work every day.

My father gets to work by motorbile every day.

7.This city is more modern than that city

That city is not as modern as this one.