Grandmother.

3. 完成进行时和将来进行时都不存在被

动语态，如确需使用被动语态则用完成

时态或一般时态代替。

We have been talking about the matter

for an hour.

→The matter has been talked about for

an hour.

动词的时态和语态

1. [14江苏]23. —How much do you know

about the Youth Olympic Games to be held

in Nanjing?

—Well, the media ________ it in a

variety of forms.

A. cover B. will cover

C. have covered D. covered

2. [14安徽]23．The twins, Who _____ their homework, were allowed to play