问题一:英语中助动词是什么意思 协助主要动词构成谓语的词叫助动词(Auxiliary Verb),也叫辅助动词。
助动词可以协助主要动词构成时态或者语态,也可构成疑问句和否定句,构成否定句时与否定副词not连用。
最常用的助动词有:be, have, has, do, does, shall, did, will, should, would等。
例句:
He has made a plan 他已经订了计划。
上句中has就为助动词,它的作用是帮助构成现在完成时态。
问题二:英语中的助动词是什么 do和does
问题三:在英语里什么叫助动词 助动词是帮助谓语动词构成时态和语态的动词,相应帮助构成疑问句和否定句的词
英语中助动词有哪些
(1) am,is,are ,was ,were,(帮助变进行时态,帮助变被动语态)
(2) do ,does,did (帮助句子变疑问句,否定句,强调谓语动词作用)
(3)has ,have (帮助句子变现在完成时态作用)
(4) had ,(帮助句子变过去完成时态,以及虚拟语气倒装)
(5) will ,shall (帮助句子变一般将来时态)
(6) would ,should (帮助句子变过去将来时态)
(7) be going to(帮助句子变一般将来时态)
am,is,are=be动词因为它们的原型是be
作用:在句子中,“be”可以是主动词(The Principal Verb)或助动词(The Auxiliary Verb)
当主动词时,“be”在性质上属于接系动词(The Linking Verb), 后面要有名词、形容词、地方副词或短语作补足语(The Complement)。例如:
1 The man is a science teacher
2 Mary's new dresses are colourful
3 I have been there before
4 Mother is in the kitchen now
这四个都是陈述句,可以变成疑问句,方法简单,把主语和“be”或助动词对换位置即可:
5 Is the man a science teacher
6 Are Mary's new dresses colourful
7 Have I been there before
8 Is mother in the kitchen now
当“be”要在祈使句中出现时,它必须借重助动词“do”或“don't”之助,如:
9 Don't be silly!
10 Do be obedient!
11 Don't be a fool!
“Be”有两种缩写法,如下:
12 He's not/He isn't
13 You're not/You aren't
但“am + not”的缩写法只有一个:
14 I'm not
有人用“ain't”, 但这并不是标准英语。
谈过了“be”作主动词的功能,现在看看“be”作助动词时,有些什么用法:
1“Be + 现在分词”以组成进行式时态(Continuous Tenses),如:
15 Tony's maid is washing his new car
16 The children are playing in the field
17 Samuel was eating when I came in
18 We have been living here since 1959
2“Be + 过去分词”以组成被动语态(The Passive Voice),如:
19 Her money in the drawer was stolen
20 A number of good jobs are taken up byforeigners
21 David studied in Taiwan but has been trained as a language lecturer in America
22 Can all the wonderful birds be found in our Bird Park
23 The disobedient boy was told to stand out- side the classroom
24 Steps are being taken to reduce traffic con- gestion during peak hours
25 Dishonest students will be immediately dealt with
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)。构成时态,语态。 助动词是语法功能词,自身没有词义,不可单独使用,它没有对应的汉译,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)
助动词协助主要动词完成以下功用
a 表示时态,例如:
He is singing 他在唱歌。
He was 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
1、英语词性分类12种为名词、动词、形容词、数词、量词、代词、副词、介词、连词、助词、叹词、拟声词。词类是一个语言学术语,是一种语言中词的语法分类,是以语法特征(包括句法功能和形态变化)为主要依据、兼顾词汇意义对词进行划分的结果,现代汉语的词可以分为14种词类。
2、英语助动
词是与实义动词也叫行为动词相对而言的。协助主要动词构成谓语动词词组的词叫助动词,被协助的动词称作主要动词。助动词是与实义动词也叫行为动词相对而言的。协助主要动词构成谓语动词词组的词叫助动词。被协助的动词称作主要动词。
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