英语连词PPT

1. after 在----之后
I will give you a ring after he comes back. 2.before 在-----之前
I will give you a ring before he leaves here. 3. when 当-----的时候
I will give you a ring when he comes back. 4. as soon as 一-----就
2. in order that
The teacher speaks slowly in order that we could catch her.
1.though /although 虽然
Though he is poor, he is happy most of
the time.
2.even if / even though 即使
1. or, 或，否则
Get up earlier, or you will miss the early bus.
注意: or = if you don’t , you will.
If you don’t get up earlier , you will miss the early bus.
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.
1.并列连词 2.从属连词
一.并列连词 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。
stay at home.
3. because 因为 语气最强 Lucy didn’t go to school because she was ill ysterday.
1.so that 为了
The teacher speaks slowly so that we
could follow her.ຫໍສະໝຸດ Baidu
I will give you a ring as soon as he comes back. 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.
He was ill, so he didn’t go to school.
二. 从属连词
从属连词用来引导从句。常见的从属连词有：
(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。
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 .
3) Lucy is kind and she likes helping others.
注意: 1.在否定句中把and 改为or
例如: There is no air or water on the moon. 2. both…. and 既….又 例如: Both I and she like sleeping.
1.if 如果
I will go there if it doesn’t rain tomorrow.
Please tell me if you know the answer. 2. unless 除非 I will go there with you unless you
agree with me.
2. either…or 要么….要么(遵守就近原则)
Either you or he has the ticket.
1. but 但是
He lives in Beijing now, but his home is in
Zhejiang.
2.however, 但是
He lives in Beijing now, however, his
with the others.
The film is so interesting that I want
to see it again.
2. such …..that 太…..以致于
It is such an interesting film that I
want to see it again.
(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。
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.
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.
home is in Zhejiang.
3. yet 可是，然而,
We have studied English for ten years, yet
we can’ t speak it well.
1. for 因为
He didn’t go to school, for he was ill.
2. so 所以
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.
I will go there with you unless my mother tells me not to .
1. since 既然，自从 Since water is very important ,we must try our best to protect it.
2. as 由于，因为 语气最弱 As it is raining heavily, you’d better
I will go and help them even though I stop my work.
3.as if / as though 好像 He talked as though he cared little for money.
1. so …..that 太…..以致于
He ran so fast that he soon caught up