=> Because of having an accident, these students arrived late.

Those student arrived late because of having an accident.

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.

III. Combines these pairs of sentences. Use connectives because, as, since.

1. because/ as /since there was an accident that caused a traffic jam,my father went to his office late.

2. because/ as /since the weather was so bad,we had to cancel our trip.

3. You can not drink water from that well because/ as /since it is impure.

4. Some rare animals were killed because/ as /since Somebody burned the forest.

5. The Dong Nai River is polluted because/ as /since Many factories let their waste chemicals run directly into the river.

6. People need to purify the water in the river because/ as /since It is so dirty and polluted.

7. because/ as /since They came to the bus stop late, they missed the school bus.

8. Some parts of the Sai Gon River were polluted by oil because/ as /since There was a ship accident last week.

9. The students felt quite sorry because/ as /since They missed the lecture on protecting our environment.

10. The local authorities encourage the citizens to plant more trees in the city because/ as /since Trees can give shadows and purify the polluted air.

1 Because of an accident, I was late

2 Because the weather was bad, we delayed our trip

3 Because of the picture's beauty, I like it

4 Because of his height, Nam can reach the book on the shelf

5 Because he is ill, he can't drive

III. Rewrite sentences that they have the same meaning with the given ones. Use the words in brackets.

1. Because there was an accident, I was late. (because of) Because of the accident, I was late.

2. We delayed our trip because of the bad weather. (because)

because th weather was bad, we delayed our trip 

3. I like this picture because it's beautiful. (because of)

I like this picture because its beaty

4. Because Nam is tall, he can reach the book on the shelf. (because of)

because of being tall , nam can reach the book on the shelf.

5. He can't drive because of his illness. (because)

 He can't drive because he is ill

Join the following pairs of sentences using because and because of:
1. He didn’t go to school. It was raining . 
-> He didn’t go to school because it was raining.
-> He didn’t go to school because of the rain.
2. The student arrived late. There was a traffic jam.
………………The student arrived late because of the traffic jam.……
3. We decided to leave early. The party was boring.
……………We decided to leave early because of the boring party.………
4. It was a public holiday. All the shops were shut.
………………All the shops were shut because of the public holiday.………………………………………………………………………………………………………
5. I lost my job. I was ill.
………………I lost my job because of my illness……………………………………………………………………

Because of the bad traffic, we arrived late

the traffic was bad, we arrived late

Because of the bad traffic, we arrived late.

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

>> Because of……………………………being a traffic accident, I went to school late. ………………………………………………………

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

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

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

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