Ex1:

1. He is very tired but he has to finish his homework.

2. Although the room is very small, it's quite comfortable.

3. I like watching TV and going to the cinema.

4. He got wet; therefore he forgot his umbrella.

5. She wears glasses because she wants to see better.

6. We want to buy a new house so we are saving money.

Ex2.

a. If she comes late again, she will lose her job

b. If I win this competition, I will give the award to the unlucky pepple

c. If we go by train, it will be cheaper

Các câu sau làm tương tự (đặt If lên đầu và đặt dấu "," ngăn cách giữa hai vế

1. He is very tired but he has to finish hos homework.

2. It is quite comfortable although the room is very small.
3. I like watching TV and going to the cinema.
4. He got wet therefore he forgot his umbrella.

5. She wears glasses because she want to be better.
6. We want to buy a new house so we are saving money.