句型转换。

1. He's going to leave at seven tomorrow morning. (用often作时间状语)

    He _______ _______ at seven in the morning.

2. I think it's going to rain. (改为否定句)

   I _______ _______ it's going to rain.

3.There were few people in the park. (改为反意疑问句)

   There were few people in the park, _______ _______?

4. The child started playing the violin when he was only three years old. (对画线部分提问) 

    _______ _______ the child _______ _______ the violin?

5. David, play football with them. (改为否定句)

    David, _______ _______ football with them.

6. You'd better take the third turning on the left. (改为否定句)

    You'd better _______ _______ the third turning on the left.

7. Kate often does his homework at school. (改为否定句)

   Kate _______ often _______ his homework at school.

8. Tom is working on the small farm of his father's. (对画线部分提问) 

   _______ is Tom _______ on the small farm of his father's?