1 助动词的运用 最常用的助动词有:be, have, do, shall, will, should, would 1)协助主要动词构成谓语动词词组的词叫助动词
2)被协助的动词称作主要动词
3)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) 4)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
He has got married
表示语态,例如: He was sent to England
他被派往英国
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
与否定副词not 合用,构成否定句,例如: I don't like him
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
Be 包括(is,am,are,was,were) am, is, are , was , were,(帮助变进行时态,帮助变被动语态) 单数 复数 主格 宾格 形容词性物主代词 名词性物主代词 主格 宾格 形容词性物主代词 名词性物主代词 I Me My Mine We us Our Ours You You Your Yours You You Your Yours She her her hers They them their t