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时态(非延续性动词)

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什么时候哪些动词不能使用完成时? 如何判断句子中的非谓语?Thank you for your help!
时态(非延续性动词)
解题思路:
解题过程:
如何判断句子中的非谓语
非谓语动词的特征:
1 如果非谓语动词是及物动词,后面须跟宾语。  Studying English is my favorite.  学习英语是我的爱好。(studying 后跟宾语)  To help him is my duty.  帮助他是我的责任。(help 后跟宾语)
2 非谓语动词可以带有自己的状语或逻辑主语。  Working under such a condition is terrible.  在这样的环境下工作太可怕了。(under such a condition 是 working 的状语)  It's too difficult for him to master English in such a short time.  他在这么短的时间内掌握英语太难了。(for him 作不定式的逻辑主语)
3 非谓语动词仍有语态和时态的变化。  I am sorry to have kept you waiting long.  对不起让你久等了。(to have kept...是不定式的完成形式)  Seen from the mountain, the city looks much more beautiful.  从山上看,这座城市美丽多了。(Seen from...是分词的被动形式) 4 非谓语动词在句中可以当成名词或者形容词来使用。  Our coming made him happy.  我们的到来使他很高兴。(coming 起名词作用)  There are two big swimming pools here.  这儿有两个大型游泳池。(swimming 起形容词作用) 非谓语动词的形式变化: 1.不 定 式 主 动 被 动   一般 to write to be written   进行 to be writing   完成 to have written to have been written   完成进行 to have been writing 2.现 在 分 词 主 动 被 动   一般 writing being written   完成 having written having been written   过去分词一般 written 3.动 名 词 主 动 被 动   一般 writing being written   完成 having written having been written
另外,从“谓语动词有时态和人称的变化”也可以判断谓语动词
最终答案:略