Change clauses of reason to phrases.

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

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

-> Because of the fact that Mary was sick, she didn't go to school yesterday.

-> Because of being sick, Mary didn't go to school yeaterday.

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

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

-> Because of her tiredness, she went to bed early.

-> Because of the fact that she felt tired, she went to bed early.

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

-> Because of having a bad cold, Ann didn't go to the circus with Betty.

-> Because of the fact that Ann had a bad cold, she didn't go to the circus with Betty.

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

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

-> Because of the fact that John worked hard and methodically, he succeeded in his exam.

5. Margaret stayed home because her mother was sick.

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

-> Because of the fact that her mother was sick, Margaret stayed home.

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

-> Because of his father's kindness, I like him.

-> Because of the fact that his father is kind to me, I like him.

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

-> Becase of being green, I can't ear these fruits.

-> Because of the fact that they are green, I can't eat these fruits.

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

-> Becase of its difficulty, I couldn't do the test.

-> Because of being difficult, I couldn't do the test.

-> Because of the fact that it was difficult, I couldn't do the test.

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

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

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

-> Becase of the fact that it was dark, I couldn't read the letter.

10. He came late because it rained heavily.

-> Because of raining heavily, he came late.

-> Because of the fact that it rained heavily, he came late.

11. I can't study because it is noisy.

-> Becase of its noise, i can't study.

-> Becase of being noisy, i can't study.

-> Becase of the fact that it is noisy, i can't study.

12. The train came late because it was foggy.

-> Becase of being foggy , the train came late.

-> Because of its fog, the train came late.

-> Because of the fact that it was foggy, the train came late.

13. All the teachers love him because his conduct is good.

-> Because of the fact that his conduct is good, all the teachers love him.

14. The train was late because the fog was thick.

-> Because of the thickening of the fog, the train was late.

-> Because of the fact that the fog was thick, the train was late.

15. We stopped our car because the traffic lights turned red.

-> because of the fact that the traffic lights turned red, we stopped our car.B

16. The plane couldn't take off because the weather was bad.

-> Because of the weather's badness, the plane couldn't take off.

-> Because of the fact that the weather was bad, the plane couldn't take off.

17. Rice plants grow well because the climate is warm and damp.

-> Because of the fact that the climate is warn and dampt, rice plants grow well.

18. He couldn't drive fast because the street was crowded and narrow.

-> Because of the fact that the street was crowded and narrow, he couldn't drive fast.

19. I can't sleep because the weather is hot.

-> Because of being hot, I can't sleep

-> Because of the heat of the weather, I can't sleep.

-> Because of the fact that the weather is hot, I can't sleep.

20. He left school because his life was hard.

-> Because of the fact that his life was hard, he left school.

Change Clause of reason to phrases or vice-versa. ( because of => because; because=> because of)

1 Many families break up because of a lack of money.

Many families break up because they lack money.

2 Because of an explosion of gas line, severa houses burned down

Because the gas line explosed , severa houses burned down

3 We postponed our trip because of the bad driving conditions

We postponed our trip because of the driving conditions are bad.

4 I could not make a good choice because of many advertisements

I could not make a good choice there are many advertisements.

5 Rice plants grown well because the climate is warm and damp

Rice plants grown well becauseof the warm and damp climate.

6 We have to cut down on our driving because of the oi shortage

We have to cut down on our driving because of there is an oil shortage.

7 The World Trade Center fell down because it was acttacked by terrorist

The World Trade Center fell down because of the attack of the terrorist.

8/ The student understood that mathetical problem very well because his teacherexplained it clearly.

The student understood that mathetical problem very well because of the clear explanation of his teacher.

9 He couldn't drive fast because the street was crowned and narrow

He couldn't drive fast because of the crowded and narrow street.

10 I couldn't get to sleep ast night because of the noise in the next apartment

I couldn't get to sleep last night the loud noise in the next apartment.

11 Because of the busy pace of morden life, many children spend most of their timeindoors and have little exposure to natural to the natural world

Because the modern life's is busy many children spend most of their timeindoors and have little exposure to natural to the natural world

12 He was refused because he lacked experiment

He was refused because his lack of experiment

Change Clause of reason to phrases or vice-versa. ( because of => because; because=> because of)

1 Many families break up because of a lack of money.

=> Many families break up because they lacked money.

2 Because of an explosion of gas line, severa houses burned down

=> Because the gas line exploded, several houses burned down.

3 We postponed our trip because of the bad driving conditions

=> We postponed our trip because the driving conditions were bad.

4 I could not make a good choice because of many advertisements

=> I could not make a good choice because there were many advertisements.

5 Rice plants grown well because the climate is warm and damp

=> Rice plants grown well because of the warm and damp climate.

6 We have to cut down on our driving because of the oi shortage

=> We have to cut down on our driving because there was not enough oil.

7 The World Trade Center fell down because it was acttacked by terrorist

=> The World Trade Center fell down because of being attacked by terrorists.

8/ The student understood that mathetical problem very well because his teacherexplained it clearly.

=> The student understood that mathematical problem very well because of his teacher's clear explanation.

9 He couldn't drive fast because the street was crowned and narrow

=> He couldn't drive fast because of the crowded and narrow street.

10 I couldn't get to sleep ast night because of the noise in the next apartment

=> I couldn't get to sleep last night because the next apartment was noisy.

11 Because of the busy pace of morden life, many children spend most of their timeindoors and have little exposure to natural to the natural world

=> Because the pace of modern life is busy, many children spend most of their timeindoors and have little exposure to natural to the natural world.

12 He was refused because he lacked experiment

=> He was refused because of his lack of experiment.

The man couldn't drive fast because it was raining

=> The weather was so rainy that the man couldn't drive fast.

2) we had to wear warm clothes because it was cold.

=> The weather was so cold that we had to wear warm clothes.

Exercise 5: Rewrite the sentences, using because/because of

1.    He didn’t come because of his sickness.

=>He didn’t come because he was sick

2.    The train was late because the fog was thick.

=>The train was late because of the thick fog

3.    The plane couldn’t take off because of the bad weather.

=>The plane couldn’t take off because the weather was bad

4.    He left the school because his family was poor.

=> He left the school because of his poor family 

5.    We couldn’t study because of the noise.

=>We couldn’t study because it was noisy

6.    I didn’t go swimming because it was cold.

=> I didn’t go swimming because of the cold

7.    These students arrive late because of the bad traffic.

=>These students arrive late because the traffic is bad

8.    Mary can’t sleep because she has drunk a cup of strong coffee.

=>Mary can’t sleep because of drinking a cup of strong coffee.

9.    Because of getting up early, he wasn’t late for the first train.

=>Because he got up early, he wasn’t late for the first train.

10.  He was accepted for the job because he had much experience.

=>He was accepted for the job because of having much experience.

Exercise 6: Rewrite the sentences, using because/because of

1.    Kevin has failed many times, so he disappointed.

=> Because Kevin has failed many times, he disappointed.

2.    I had not eaten for 24 hours. I was very hungry.

=> Because I had not eaten for 24 hours, I was very hungry.

3.    He ate all the fruits. The fruits were ripe.

=> He ate all the fruits because they were ripe.

4.    He hadn’t finished the letter. He didn’t go to sleep.

=> Because he hadn’t finished the letter, he didn’t go to sleep.

5.    He is dismissed. He was late for the work very often.

=>He is dismissed because of being late for the work very often.

6.    He drove too fast. He caused a serious accident.

=> Because of driving too fast, he caused a serious accident.

7.    The streets are narrow, so there are not many people driving cars in this city.

=> Because the streets are narrow, there are not many people driving cars in this city.

8.    The test was so difficult that I couldn’t do it.

=>   Because the test was so difficult, I couldn’t do it.

9.    I don’t know Russian. I have to have my document translated into Russian.

=> Because I don’t know Russian, I have to have my document translated into Russian.

10.  The children had an accident. They went to school late.

=>The children had an accident because of going to school late.

?

1.because of her being sick mary didn't go to school

-Because Mary was sick, she didn't go to school

2.she went to beb early because of her feeling tired

-Because she felt tired, she went to bed early

3.because of her having a bab cool she didn't go to the circus with betty

-Because she had a bad cold, she didn't go..

4.john succeded in his exam because of his working hard and methodically

-Because John worked hard and methodically, he succeded in his exam

5.because of her mother's sickness she stayed home

-Because her mother was sick, she stayed at home

6.i like him because of his father is kinding to me

-Because his father is kind to me, I like him

7.because of their greening i can't eat there fruits

-Because these fruits are green, I can't eat there

8.i couldn't do the test because of it's being difficult

-Because the test was difficult, I couldn't do it

9.he came home late because of it's raining heavily

10.the train came late because of it's being foggy

-Because it was foggy, the train came late

11.because of the traffie lights turning Red we stopped the car

-Because the traffic lights turned red, we stopped the car

12.the train was late because of the fog being thick
- Because the fog was thick, the train was late

13.rice plants grow well because the climate is warning and damp

-Because of the warm and damp climate, rice plants grow well

14.because of the street being crowed and narrow he couldn't drive fast

-Because the street was crowed and narrow, he couldn't drive fast

Adverb clause of reason (as, because, since, because of)

1 He left school because his life was hard.

-> His life was hard, so he left school

2 The children are going swimming a lot because the weather is hot.

-> The weather is hot so the children are going swimming

3 He couldn't go to school because he was very poor.

-> He was very poor so he couldn't go to school

3 câu này đều cần dùng đến ''so'' mà trong đề không có ''so'' nên chị làm như này nhé!

1. Because of his hard life, he left school

2. Because of the hot weather, the children are going swimming.

3. Because of his poverty, he couldn't go to school 

1.He couldn't finish the work in the time because of his tiredness.

=))Because he were tired, he couldn't finish the work in the time

2.We didn't go camping because of the bad weather.

=))The bad weather prevented us from going camping

1.He couldn't finish the work in the time because of his tiredness.

=))Because he was tired, he couldn't finish the work.

2.We didn't go camping because of the bad weather.

=))The bad weather prevented us from going camping

rewrite the sentences , using because / because of

1. he didn't come because of his sickness

He didn't come because he was sick

2. the train was late because the fog was thick

The train was late because of the thick fog

3. the plane couldn't take off because of bad weather

The plane couldn't take off because the weather was bad

4. he left the school because his family was poor

He left the school because of his poor family

5. we couldn't study because of the noise

We couldn't study because it was noisy

6. I didn't go swimming because it was cold

I didn't go swimming because of the cold

7. these students arrive late because of the bad traffic

These students arrive late because the traffic is bad

- Because the water was rough, we didn’t go fishing.

- Because he behaved very badly, she was very angry.

- Because of his worries, he couldn't sleep.

- He caused a serious accident, because of driving too fast.

- Because the fog was thick, I lost my way.

- Because of staying up late last night, he is tired.

- Because the distance was so great, he couldn't read the sign on the building.

- Because she is impatient, she'll never get success

-  Because he is often late for work, he'll be sacked.

- Because of its harm for health, governments advise giving up smoking.

- Because it’s room are small, they haven't bought the house.

- Because his answers were incomplete, he got bad marks.

- Because of losing all her money, Maria couldn't return home.

- I have to copy lesson for him, because of my friend's absence.

- Because it is very important, a lot of people learn English.

- Because he is very lazy, Tom is often punished.

- Because it rained heavily, I was late.

- Because the weather was very cold, they turned the heating on.

- Because of her sick mother, she has to stay at home.

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