英语助动词得用法七下知识要点!
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英语助动词得用法
七下知识要点!
七下知识要点!
![英语助动词得用法七下知识要点!](/uploads/image/z/3088994-50-4.jpg?t=%E8%8B%B1%E8%AF%AD%E5%8A%A9%E5%8A%A8%E8%AF%8D%E5%BE%97%E7%94%A8%E6%B3%95%E4%B8%83%E4%B8%8B%E7%9F%A5%E8%AF%86%E8%A6%81%E7%82%B9%21)
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
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