课件18张PPT。中考复习连词:
主要作用是:
连接单词与单词、短语与短语、句子与句子。它是虚词,不能在句子中作成分.连词的分类1.并列连词
2.从属连词
用来连接平行的词,词组或句子。常见的
并列连词有:
(1)表并列关系的and, both…and,
not only…but also, neither…nor, as well as等。
(2)表选择关系的or, either…or等。
(3)表转折关系的but, however, yet等。
(4)表因果关系的for, so等。一.并列连词1.and 和,并且例如:
1)I often have bread and milk for breakfast.
2) On Sundays I wash clothes and look
after my daughter.
3) Lucy is kind and she likes helping
others.一.并列关系2. both…. and 既….又
例如: Both I and she like sleeping.
neither…nor 既不…也不 (连接主语时要就近原则)
例如: Neither you nor Lucy works hard
not only ….but also 不但…而且(连接主语时要就近原则)
例如: Not only Mike but also his sister has been to London
as well as 既…又(也), 不仅 …而且
例如: Lily can sing as well as dance.注意: 1.在否定句中把and 改为or 例如: There is no air or water on the moon.一.并列关系1. or, 或,否则
Get up earlier, or you will miss the early bus.2. either…or 要么….要么(遵守就近原则)
Either you or he has the ticket.二:选择关系 注意: or = if you don’t , you will.
If you don’t get up earlier , you will miss the
early bus. 1. but 但是
He lives in Beijing now, but his home is in Zhejiang. 三.转折关系 3. yet 可是,然而,
We have studied English for ten years, yet we can’ t speak it well. 2.however, 但是
He lives in Beijing now, however, his home is in Zhejiang.1. for 因为
He didn’t go to school, for he was ill.2. so 所以
He was ill, so he didn’t go to school.四:因果关系注意:because和so不能一起使用(1)引导时间状语从句的after, before, when, while, as, until, till, since, as soon as等。
(2)引导条件状语从句的if, unless等。
(3)引导原因状语从句的because, as, since等。
(4)引导目的状语从句的so that, in order that等。
(5)引导让步状语从句的though, although, even if等。
(6)引导结果状语从句的so…that, such…that等
(7)引导比较状语从句的than, as…as, less..than等。
(8)引导宾语从句的 if , whether, when等。
二. 从属连词从属连词用来引导从句。常见的从属连词有: 1. after 在----之后
I will give you a ring after he comes back.3. when 当-----的时候 I will give you a ring when he comes back.一.时间状语从句4. as soon as 一-----就
I will give you a ring as soon as he comes back. 2.before 在-----之前
I will give you a ring before he leaves here. 5.until/ till 直到----才
I will not leave here until he comes back.6. since 自从---
I have lived here since I came to Hongjia.7. as. 当…时候, 一边….一边..
例如: I met my old friend as I was walking
in the street.8. while 在..时候 ,而例如: While I was doing my homework ,my
brother was sleeping . 2. unless 除非
I will go there with you unless you agree with me.
I will go there with you unless my mother tells me not to .二:条件状语从句 1.if 如果
I will go there if it doesn’t rain tomorrow.
Please tell me if you know the answer. 2. as 由于,因为 语气最弱
As it is raining heavily, you’d better stay at home.三:原因状语从句1. since 既然,自从
Since water is very important ,we must try our best to protect it.3. because 因为 语气最强
Lucy didn’t go to school because she was ill ysterday.
2. in order that
The teacher speaks slowly in order that we could catch her.四:目的状语从句 1.so that 为了
The teacher speaks slowly so that we could follow her. 2.even if / even though 即使
I will go and help them even though I stop my work.五:让步状语从句 1.though /although 虽然
Though he is poor, he is happy most of the time. 3.as if / as though 好像
He talked as though he cared little for money.六:结果状语从句1. so …..that 太…..以致于
He ran so fast that he soon caught up with the others.2. such …..that 太…..以致于It is such an interesting film that I want to see it again.The film is so interesting that I want to see it again.七:比较状语从句1.as….as
例如: I am as tall as you are
2. not as/so…as
例如; She is not as/so kind as you are
3. ..than…
例如: I talk more than she does.
4. less… than
I am less tall than you.