1 . 从方框内的选项中选出下列句子的基本句型，选项可以重复使用。

A. S+V            B. S+V+O        C. S+V+P D. S+V+IO+DO        E. S+V+O+OC       F. There be ...

1. He often walks in the park.
2. Her grandfather is over eighty years old.
3. We must keep our classroom clean and tidy.
4. My mother is cooking the meal in the kitchen.
5. There are six science labs and five computer rooms in the science building.

2 . 写出下列句子的句子结构
1. Does Jennifer live here?
____________________________________________________
2. Chris started learning English a little over three years ago.
____________________________________________________
3. The secret of success is honesty and fair dealing.
____________________________________________________
4. Whaley invites the rest of the class to join him.
____________________________________________________
5. I heard a knock on the door.
____________________________________________________
6. This development did not take place overnight.
____________________________________________________
7. There are times when your heart is not in your work.
____________________________________________________
8. Monkeys seem to have a way with numbers.
____________________________________________________
9. It gives us a great feeling of peace.
____________________________________________________
10. Our hosts shared many of their experiences.
____________________________________________________