1. she can't work hard because she is very old.

............................she can't work hard because of being very old.....................................................

2. He likes her because she is very beautiful.

.....................He likes her because of her beauty...................................................

3. He broke the vase because he was careless.

...................He broke the vase because of being careless..........................................................

 4.He left school because his life was hard.

......................He left school because of his hard life .....................................................

5. I went to bed early because I felt tired.

.....................I went to bed early because of feeling tired..................................................

1. She can not work hard because she is very old

because of being very old, She cannot work hard

2. He likes her because she is very beautiful

because of her beauty, he likes her

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

because of being very poor, He couldn't go to school

4. I can't buy this bike because I don't have enough money

because of not having enough money, I can't buy this bike

5. He broke the vase because he was careless

because of being careless, He broke the vase

6. He failed the exam because he didn't learn the lessons carefully

because of not learning the lessons carefully, he failed the exam

7. We can't go for a walk because it rains heavily

because of heavy rain, We can't go for a walk

8. He left school because his life was hard

because of the hard life, he left school

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

because of being given a new bike, she was very happy

10. I went to bad early because I felt tired

because of feeling tired, I went to bed early

1. He can't this suicase because he is very old

He can't this suitcase because of being very old

2. He broke the vase because he was careless

He broke the vase because of being careless

3. He doesn't have money. He can't buy a new bicycle

If he had money, he could buy a new bicycle

4. She was hungry so she had big lunch

She had big lunch because she was hungry

5. All the shops were shut because it was a public day

It was a public day, so all the shops were shut

1. He can't this suicase because he is very old

He can't this suitcase? because of his old age.

2. He broke the vase because he was careless

He broke the vase because of his carelessness.

3. He doesn't have money. He can't buy a new bicycle

If he had money , he would buy a new bicycle.

4. She was hungry so she had big lunch

She had big lunch because she was hungry.

5. All the shops were shut because it was a public day.It was a public day so all the shops were shut.

1. He couldn't meet you because of being busy.

=> Because he was busy, he couldn't meet you

2. She went to bed early because of her sickness.

=> Because she was sick, she went to bed early

3. Nobody can do this test because of its difficulty.

=> Because this test is difficult, nobody can do it

4. Two cars can't pass each other because of the narrow road.

=> Because the road is narrow, two cars can't pass each other

5. We spent the whole day in the garden because of lovely weather

=> Because the weather was lovely, we spent the whole day in the garden

6. He can't go to school today because of his toothache.

=> Because he has a toothache, he can't go to school today

7. I can't play basketball because of my heignt.

=> Because I am not tall, I can't play basketball

8. She must stay in bed because of her Hlness

=> Because she is ill, she must stay in bed

9. We can't swim in this part of the river because of highly polluted water.

=> Because the water is highly polluted, we can't swim in this part of the river

10. They couldn't keep on clearing the beach because of heavy rain.

=> Because it rained heavily, they couldn't keep on clearing the beach

Using " because of"

1. she can't work hard because she is very old.

............................she can't work hard because of being very old.....................................................

2. He likes her because she is very beautiful.

.....................He likes her because of her beauty...................................................

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

......................................He couldn't go to school because of being very poor........................................

4. 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........................................................

5. He broke the vase because he was careless.

...................He broke the vase because of being careless..........................................................

6. He failed the exam because he didn't learn the lesson carefully.

.................He failed the exam because of learning the lesson carelessly...............................................................

7. We can't go for a walk because it rains heavily.

................................We can't go for a walk because of the heavy rain............................................

8. He left school because his life was hard.

......................He left school because of his hard life .....................................................

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

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

10. I went to bed early because I felt tired.

.....................I went to bed early because of feeling tired..................................................

Ex1:Rewrite these senteces by using because:

1.Nobody can do this test because of ít difficulty

-> Because this test is difficult, nobody can do it.

2.We spent the whole day in the garden because of lovely weather

-> Because the weather was lovely, we spent the whole day in the garden.

3.He can not go to school today because of hí toothace

-> Because he is toothache, he can't go to school today.

4.Because of having an accident, these students arrrived late

-> Because these students had an accident, they arrived late.

5.She must stay in bed because of her illness

-> Because she is ill, she must stay in bed.

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

=> because of being very poor,he couldn' t go to school

2. i can 't buy this bike because i don't have enough money 

=> because of not having enough money, I can 't buy this bike

3. he broke the wase because he was careless

=> because of being careless,he broke the wase

4. we can't go for a walk because it rains heavily

=> because of raining heavily,  we can't go for a walk

5. he left school because his life was hard

=> because of being hard, he left school

6. i went to bed early because i felt tired

=>because of feeling tired,  i went to bed early

7. she was very happy because she was given a new bike

=> because of being given a new bike, she was very happy

8. he failed the exam because he didn't  learn the lessons carefully

=> because of not learning the lessons carefully, he failed the exam