5. This box weighs five kilos.

6. I lived in Beijing five years ago.

7. Great changes have taken place in my home town in the past ten years.

基本句型（二）主语 + 及物动词 + 宾语 (S + V +O)

1. I wrote a letter last night.

2. My father can speak English fluently.

3. Do you mind my opening the window?

4. You must finish reading these books in two weeks.

5. He pointed out the mistakes in my composition.

6. We must send for a doctor.

7. You can depend on him in your work.

8. After writing a composition, we must go over it.

基本句型（三）主语 + 系动词 + 表语 (S + V + C)

1. My brothers are all college students.

2. This book is about the history of the United States.

3. Her job is to look after the children in the nursery.

4. He is out of work.

5. The leaves have turned yellow.

6. The report sounds interesting.

7. Mrs. Brown looks very healthy