本文目录
英语助动词有哪些
英语的助动词有4个
1
be
帮助动词
构成
进行时
和被动语态
2
do /did
帮助动词(be除外)构成
一般现在时一般过去式
的
疑问句
和否定句
3will
帮助动词构成
将来时
4have
帮助构成完成时
背单词的诀窍
就是不背
但要天天读
天天看
自然想忘
也
忘不了
你班上的同学老师
的名字
音容笑貌
你并没有
刻意去记 你不是也记住了吗?
英语助动词有哪些
学习英语的时候要注意语法和一些词的用法,下面我就为大家整理一下助动词有哪些。
英语中常见的助动词包括:
1.行为动词类:do, does, did
1. 现在进行时态中的be动词:am, is , are ,
2. 过去进行时态中的be动词:was, were
3. 一般将来时态中的助动词:shall, will,
4. 现在完成时态助动词: have, has
5. 过去完成时态助动词:had
6. 情态动词类:can, may, must, should, could, would, might, have/has to, used to,
7. 被动语态助动词:be 的各种时态.
情态动词与助动词
1、can
能,可以,表说话人同意,许可还可表客观条件许可,如:You can go now.
提建议或请求时可用can I, can you表客气,如Can I buy you a drink?
2、may
(1)可以,表说话人同意,许可或请求对方许可。You may go.
(2)(现在和将来)可能,也许,只用于肯定句和否定句中,如He may not be right.
3、must, have to
must表主观上的必须,have to表客观上的必须,如: It's getting late. I have to go. -Must I go now. -Yes, you must. (No, you needn't./ No, you don't have to.)
4、need, dare这二词有实意动词和情态动词两种词性,如用作实意动词后接动词不定式to do,如用作情态动词后接动词原形。Need I go now? --Yes, you must./No, you needn't.)
5、shall用于第一人称疑问句中表说话人征求对方的意见或向对方请求,如,Shall we begin our lesson?
用于二、三人称陈述句,表说话人命令、警告、允诺、威胁等口吻,如: You shall fail if you don't work harder.
6、should表应该,意为有责任,有义务。如:We should try our best to make our country more beautiful.
7、will表有做某事的意志、意愿、安心、打算,如 "Will you lend me your book?" "Yes, I will."
8、should have done表应该做而未做
must have done表对过去事实的肯定推测
could have done表本可以做某事
9、判断句:肯定句用must, 否定句用can't, 不太肯定用may, might
He must be in the office now.
He must have gone to bed, for the light is out.
He can't be in the office. He is at home.
He couldn't have cleaned the classroom, because he didn't come here today.
He might be in the office, I am not sure.
He might have cleaned the room, I suppose.
英语中的助动词有哪些
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
英语的助动词有哪些一共多少个
总共是20个主体,不包括否定式
be
(am,
is
,are,
was,
were,
being,been)
have
(has,
had
-
过去式,having,
had
-
过去分词)
do
(does,
did)
shall
(should)
will
(would)
希望有帮助。
求采纳
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