1.Before I'll go to work.I'll have a bath.

2.She's in Paris while she'll visit friends.

3.Because the water is highly polluted,we can not swim in this part of the river.

5.When give me a ring,you'll hear some news.

6.After the TV program will end,I'll do my homework.

I. Combine two sentences, using ''because/ since/ as''.

1. The water is highly polluted. We cannot swim in this part of the river. ->..........because ( since / as ) .the water is highly polluted, we cannot swim in this part of the river......

2. The company does not produce recycled paper. It is more expensive to produce than regular paper. ->..............The company does not produce recycled paper because it is more expensive to produce than regular paper. .........

3. We want people to be aware of the problem of pollution. We have'' a green week'' three times a year. ->.......because we want people to be aware of the problem of pollution, We have'' a green week'' three times a year. ..................

4 The area around the beach is full of trash. No one wants to go swimming or sunbathing there. ->...........since the area around the beach is full of trash, No one wants to go swimming or sunbathing there. ....................

5. It started to rain. We could not keep on cleaning the beach. ->........as it started to rain, we could not keep on cleaning the beach. -..........................

6.Mr. Minh is admired. He dedicated all his life protecting environment. ->........................Mr. Minh is admired because He dedicated all his life protecting environment...........

II. Rewrite each sentences so that the meaning stays the same:

1. Shall I phone you this evening? -> Do you want.............me to phone you this evening ?..........................

2. I can do what I want and you can't stop me. -> You can't..........prevent me from doing what i want...................

3 I would like you to help me to put the chairs away. -> Do you mind.........helping me put the chairs away ?...................

4. It's not a good idea to travel during the rush hour. -> It's better to avoid.................travelling during rush hour.....................

5. I'd refer not to go out tonight. -> I'd rather.........not go out tonight..............................

Since Mr.Minh is admired,He dedicates all his life to protecting environment.

6.   Mr. Buong is admired since he dedicates all his life to protecting environment. (since)

      .................................................................................................................

7.   When you give me a ring, you’ll hear some news. (when)

      .................................................................................................................

8.    I’ll do my homework after the TV program ends (after)

      .................................................................................................................

9.   I’ll have a bath before I go to work (before)

      .................................................................................................................

10.  She’ll visit friends while she is in Paris (while)

      .................................................................................................................

using "because":

We can not swim in this part of the river because of highly polluted water.

--->........Because highly polluted water of the river, we can't swim in ..................

using "because of:

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

-->........Because of being old, she can't work hard...................................

2. He left to school because his life was hard.

Because his life was hard, he left school

Exercise 2:Combine each pair of sentences to make one sentence, using the words given in brackets
1.Lang lieu couldn't buy any special food. He was very poor. (Because) Because Lang Lieu was very poor, he could not buy any special food
2.During Tel, Vietnamese people buy all kinds of sweets. They make Chung cakes as well. (so) During Tet, Vietnamese people buy all kinds of sweets and they make Chung cakes as well.
3,The Hung king temple Festival was a local festival. It has become a public holiday in Viet Nam since 2007. (however) The Hung King Temple Festival was a local festival; however, it has become a public holiday in Viet Nam since 2007.
4,At the mid-Autumn Festival, kids can sing, dance, and enjoy mooncakes. Every child likes it very much. (Therefore) At the Mid-Autumn Festival, kids can sing, dance, and enjoy moon-cakes;therefore, every child like it very much.
5,The water is highly polluted. We cannot swim in this part of the river. (Because) We cannot swim in this part of the river because the water is highly polluted

#trannguyenbaoquyen

Ex1: Combine the sentences to complete the sentences, using the words in brackets

1. The building is very old.He lives there (where)

Where he lives is an old building

2. I'll tell you something. You didn't know it before (which)

I'll tell you something which you didn't know before

3. Mr. Minh is admired. He dedicates all his life to protecting enviroment. (since)

Mr. Minh has been admired since he dedicates all his life to protecting enviroment.

4. Give me a ring. You'll hear some news. (when)

When youwant to hear some news, give me a ring

5. She'll in Paris. She'll visit friends. (while)

She'll visit friends while she is in Paris

1. The building is very old.He lives there (where)
=> The building where he lives is very old.

2. I' ll tell you something. You didn't know it before (which)
=> I' ll tell you something which you didn't know before.

3. Mr. Minh is admired. He dedicates all his life to protecting enviroment. (since)
=> Mr. Minh is admired since he dedicates all his life to protecting enviroment.

4. Give me a ring. You' ll hear some news. (when)
=> When you give me a ring, you' ll hear some news.

5. She' ll in Paris. She' ll visit friends. (while)
=> She' ll visit friends while she is in Paris.

Ex1: Combine the sentences to complete the sentences, using the words in brackets

1. The building is very old.He lives there (where)

Where he lives is an old building

2. I'll tell you something. You didn't know it before (which)

I'll tell you something which you didn't know before

3. Mr. Minh is admired. He dedicates all his life to protecting enviroment. (since)

Mr. Minh has been admired since he dedicates all his life to protecting enviroment.

4. Give me a ring. You'll hear some news. (when)

When youwant to hear some news, give me a ring

5. She'll in Paris. She'll visit friends. (while)

She'll visit friends while she is in Paris

Rewrite the sentences:

1. Because it rained heavily, the city was flooded.

=> Due to ......the heavy rain, the city was flooded .......

2. His legs were injured, so he couldn't go to school.

=> Because / Since....his legs were injured, he couldn't go to school .........

=> Because of ..his injured legs, he couldn't go to school ........

3. Lan had a cold because she played in the rain all the day.

=> Lan played.......in the rain all the day so she had a cold ........

=> Due to .....playing in the rain all the day,she had a cold .......

4. Tan isn't free, so he can't help you.

=> If ......Tan were free, he could help you ..........

5. Due to the heavy storm, the students didn't go to school.

=> Because ........the storm was heavy, the students didn't go to school ........

6. The water is polluted, so the fish are dead.

=> The polluted water...makes the fish dead......

=> The polluted water leads .......the fish dead..........

7. We can't see the stars at night because there is much light pollution.

=> If ...there weren't much light pollution, we could see the stars at night .......

8. People throw rubbish in the streets. The streets don't look attractive.

=> If ....people didn't throw rubbish in the streets, the streets would look attractive .......