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《Using LanguageⅠ》集体备课PPT课件优质课下载
doing 主动、进行
being done 被动、进行
done 被动、完成
to do 主动、将来
to be done 被动、将来
to have done 主动、完成
to have been done 被动、完成
having done 主动、完成
having been done 被动、完成
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常见题型
1.________, he came in.
(smile)
2.________makes people healthy.
(smile)
Smiling
Smiling
现在分词
动名词
3._______ to sunlight for too much time will do harm to one's skin. A. Exposed B. Having exposed C. Being exposed
4.At the beginning of class, the noise of desks ______ could be heard outside the classroom.
A. opened and closed? B. to be opened and closed? C. being opened and closed? D. to open and close