英语语法知识,什么是助词

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英语语法知识,什么是助词
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英语语法知识,什么是助词
英语语法知识,
什么是助词

英语语法知识,什么是助词
协助主要动词构成谓语动词词组的词叫助动词(Auxiliary Verb).被协助的动词称作主要动词(Main Verb).
助动词自身没有词义,不可单独使用,例如:
He doesn't like English.他不喜欢英语.
(doesn't是助动词,无词义;like是主要动词,有词义)
2) 助动词协助主要动词完成以下功用,可以用来:
a.表示时态,例如:
He is singing.他在唱歌.
He has got married.他已结婚.
b.表示语态,例如:
He was sent to England.他被派往英国.
c.构成疑问句,例如:
Do you like college life?你喜欢大学生活吗?
Did you study English before you came here?你来这儿之前学过英语吗?
d.与否定副词not合用,构成否定句,例如:
I don't like him.我不喜欢他.
e.加强语气,例如:
Do come to the party tomorrow evening.明天晚上一定来参加晚会.
He did know that.他的确知道那件事.
3) 最常用的助动词有:be,have,do,shall,will,should,would

你说的是助动词吧,就是帮助句子形成句型结构的动词,一般上没有实际意义
举个例子:Do you like movies? 这里DO是助动词,使这个句子形成一般疑问句,如果把DO去掉you like movies,就不是一般疑问句了,再比如:Have you ever been to Japen?这里Have是助动词,使句子形成完成时,I have been to Japen, Have在这里...

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你说的是助动词吧,就是帮助句子形成句型结构的动词,一般上没有实际意义
举个例子:Do you like movies? 这里DO是助动词,使这个句子形成一般疑问句,如果把DO去掉you like movies,就不是一般疑问句了,再比如:Have you ever been to Japen?这里Have是助动词,使句子形成完成时,I have been to Japen, Have在这里没有意思,也不能翻译出来,但是没有它就不是完成时了,DO一样,所以助动词虽然没有实际意义,但也是句子中不可缺少的成分

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助动词可以理解为"帮助动词构成时态,语态,问句,否定句,以及加强语气的词.
如:
1. They are working on line. (are)
2. This kind of machines are made in Tianjin. (are)
3. Are you all right? (are)
4. You are not strong en...

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助动词可以理解为"帮助动词构成时态,语态,问句,否定句,以及加强语气的词.
如:
1. They are working on line. (are)
2. This kind of machines are made in Tianjin. (are)
3. Are you all right? (are)
4. You are not strong enough to work all day long. (are)
5. They do help you. (do)
常见的助动词有:
1. am, is, are, was, were
2. will, shall, would, should
3. do, does, did
4. have, has, had

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