非谓语中to be done

发布网友发布时间：2023-07-13 17:12

共2个回答

热心网友时间：2023-09-13 20:29

这是动词不定式的被动形式

热心网友时间：2023-09-13 20:30

being done,done ,to be done做谓语和非谓语的区别
being done,done ,to be done做谓语和非谓语的区别
being done:(动作)正在实施.
例:The coat is being washed.
(某人)正在洗衣服.
done:(动作)已经被实施.
例:The coat is washed.
(某人)已经洗过衣服.
to be done:(动作)尚待实施.
例:The coat is to be washed.
衣服需要有人来洗.
The airport _____ next year will help promote
tourism in this area.
being completed B. to be completed
C. completedD. having been completed
答案:B 句意：明年将竣工的机场将会帮助推动该地区旅游业的发展。空处表示将要发生的动作，且它与所修饰的名词the airport之间是逻辑上的动宾关系，所以用不定式的被动式作定语。故选B。
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