原则一、两个句子必须要用连词连接,如果没有连词连接,则需要用非谓语动词 例1. ___ many times, but he still couldn’t understand it. A. Having been told B. Having told C. He had been told D.Though he had been told 例2.___ many times, he still couldn’t ...
【定义】非谓语动词是指动词在句子中“不是谓语”时的几种变化形式,主要包括动词不定式、动名词和分词(现在分词和过去分词)三类。非谓语动词不能独立作谓语,而是充当句子的其他成分。由非谓语动词开头的、表示一个独立、完整的含义的结构叫做非谓语动词短语。 【起止...
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