非谓语动词的考查热点 — 不定式的完成式--打印文章

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非谓语动词的考查热点 — 不定式的完成式

作者：frog 文章来源：本站原创点击数更新时间：2010-4-6 22:10:10 文章录入：frog 责任编辑：frog

    考例9： He looked tired. He seemed ________ a sleepless night.
    A. to have                   B. to have had
   C. having                   D. he had
    考例10： Charles Babbage is generally considered ________ the first computer.
    A. to invent                B. inventing
C. to have invented         D. having invented
    考例11： I would love ________ to the party last night but I had to work extra hours to finish a report.
    A. to go                    B. to have gone
   C. going                     D. having gone
    不定式的完成式有以下两种用法：
    (1) 不定式的完成式表示在谓语动词之前完成的动作。
    (2) 不定式的完成式表示"未发生的动作"。

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