英语自学网 发表于 2017-8-3 22:31:14

语法解析:动词不定式的被动态


        不定式的被动态有多种形式,小编为大家整理了完整的不定式被动态用法,其中包括逻辑主语的省略以及主动表被动的各种用法,不看不要后悔哦。
       
       

        当不定式的逻辑主语是动作的承受着时,不定式要用被动态。
        例如:
        1. I am proud to be thus chosen.
        2. I hope to be nominated.
        3. It is impossible for lost time to be made up.
        4. To fetch water before breakfast seemed to them a rule never to be broken.
        由上述诸例可以看出,当不定式的逻辑主语就是主句的主语时,逻辑主语不需要表示出来。
        当不定式的逻辑主语不是主句的主语时,这种逻辑主语就必须表示出来。
       
       

        get-型被动态也可以不定式的形式出现,
        例如:
        It was nasty for Mary to be / to get hurt.
        在有些场合,既可用不定式主动态,也可用不定式被动态,意义没有区别
        例如:
        The boxes are not strong enough to use / to be used as a platform.
        It was good for Hayden’s mother to leave / to be left until tomorrow.
       
       

        但有时在there + be结构中,用不定式主动态和不定式被动态含义不同,
        例如:
        There was nothing to see ( There was nothing for one to see ).
        There was nothing to be seen ( The thing being looked for was not there).
       
       

        在下列场合中,习惯上用不定式主动态,尽管不定式的逻辑主语是动作的承受者,
        例如:
        This house is to let.
        You are not to blame for what happened.
       
        哇,区区一个不定式的被动态就有这么多种用法,有没有大开眼界呢?赶快收藏起来吧~
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