用括号内所给动词的适当形式填空。

1. He always _____________ (shout) at others. That is not good.

2. _____________ (not bring) friends from other class.

3. Do you have a difficult time ______________(work) out these math problems?

4. I'm sorry I have no time _____________ (watch) TV now.

5. Her mother asks her not to play computer games too much. If she _________ (do), her mother will

   be mad at her.

6. I am ______________ (leave) for Washington next Sunday.

7. I am learning how_______(swim).

8. Don't forget _________ (take ) away what you bring there.