高中英语状语从句 详解

If ---如果
If you don’t hurry up, you will miss the plane. If it snows tomorrow, the flight will be canceled.
If you leave at 6 o’clock tomorrow morning, you’d better get to bed now.
3.地点状语从句 地点状语从句只有两个连词: Where, wherever
Where --- 在……地方 Put the medicine where you can easily get it.
Where that high building stands, there used to be some low, deserted houses.
定义：
在复合句中由从句表示的状语 称作状语从句，它可以用来修 饰谓语（包括非谓语动词）、 定语或状语，或是整个句子。
准确掌握每一个连词的含义 是掌握状语从句的关键。
同时要注意主从句的时态呼应。
状语一般分为九大类
时间状语 地点状语 原因状语 目的状语 结果状语 条件状语 方式状语 比较状语 让步状语
While ---表示一种不满情绪， 意思是这边在干某种重要的事， 而另一边在享受等。
We are cleaning the classroom while they are playing the football.
The soldier faces the powder while the beauty powder the face.
He ran off before I could stop him.
It was not long before I forgot it all.
(It was /will be …before… 是常用句型)
After --- 在…… 之后
The customer left the ticket counter after he had a quarrel with the ticket agent.
As soon as --- 一……就……
Jack went to school as soon as he got well.
I’ll ring you up as soon as I get an answer from him.
No sooner than --- 一……就…… No sooner had he arrived than he went away again.
注:主从句的动作发生在将来时， 则主句用将来时, 从句用一般 现在时。
If he arrives tomorrow, I will be waiting for him at the airport.
He said he would not leave unless it was fine next day.
On condition that --- 条件是…
He said that he would come to the meeting on condition that no one asked him to speak.
The mother promised to the son to buy him a toy airplane on condition that he passes his English test.
You can’t play games as long as you remember the rules.
A man is not old as long as he is seeking something.
As (so) far as --- 据……所知 As far as I know, he speaks English very well.
Unless --- 如果不, 除非=if not
We can’t get there on time unless we book the earliest flight
= We cannot get there on time if we don’t book the earliest flight.
When ---当……时候, 通常指 某一特定的时间点，主句与从 句的动作同时发生。
When I opened the window, I saw him come up.
When I have time , I will go to see you. （主将从现）
When --- 正在…的时候，突然…。 在翻译的时候，when 可以译成 没想到或突然。 I was walking along the street , when I met him. I was about to fall asleep when my sister came in.
As/So far as I know, he is an expert on DNA.
In case --- 假使, 如果
The plane cannot take off in case it rains.
Send us a message in case you have any difficulty.
The plane took off after the air traffic controller gave clearance.
Since ---自从……, 通常主句 用现在完成时
I have never been there again since I graduated from the university.
no sooner… than… 用于句首 要求倒装
Hardly …when… Scarcely …when…
Once --- 一但……就……
Once you see him, you will never forget him.
Every time, each time 每次 whenever 每当
---Yes, I gave her the moment I saw her.
Not… until --- 直到……才 He didn’t leave the office until he finished the work. =He left the office when he finished the work.
While I am washing the floor, you can be cleaning the windows.
As --- 一边……一边, 随着 She was doing her homework as she was listening to the music.
As she grew older, she became more beautiful.
Provided that 如果,有时省略 that
The plane will be in good condition provided that it is taken care of carefully.
You can become a stewardess provided that you are in good shape and you have got the proper education.
When=after
When the children had gone to bed, she began to prepare her lessons.
While ---在……期间，往往指 一段时间。
While we were in America, we saw him twice.
While we were talking, he came in. Strike while the iron is hot.
As --- 当……时，指一个动作 紧接着一个动作发生，从句通 常用进行时。
As I was going out, it began to rain.
I saw Mary as she was going on the bus.
As he was eating his breakfast, he heard someone knock at the door.
Someone patted me on the shoulder as I was standing before the shop window.
The moment --- 一……就…… =as soon as , immediately,
---Did you remember to give Mary the money you owed her?
The captain has traveled almost everywhere in the world since he became a pilot.
It is just a week since we arrived here.
(It is /has been… since…是常用 句型）
I am going to leave when the telephone rings.
When 当从句是进行时，主句 是一般时，往往表示不满。
Someone knocked at the door when I was having breakfast.
When I was leaving the house, the postman arrived.
Each time he came to town, he would visit our school.
Whenever we met with difficulties, they came to help us.
2.条件状语从句 引导状语从句的连接词有:
If, unless, as long as, in case, provided that, on condition that
He will not join us unless he changes his mind.
Don’t trouble trouble unless trouble troubles you.
As long as --- 只要
We will succeed as long as we keep on trying.
have no time to accompany you. • 5 独立主格结构: he lay on his bed, his hands
under his head. • 6 非谓语动词：to do
doing / having done
done • 7 状语从句
1.时间状语从句：
当…时候: when, while, as,
一…就： the moment, the minute, as soon as, immediately, directly，no sooner…than, hardly…when
每当：every time, each time
其他：before, after, till, until, since,
Not …until 可以和 when 互换
Before --- 在……之前
The passengers should arrive at the airport an 百度文库our before the flight departs.
Did you work as a stewardess before you come to this company?
什么能做状语？
• 1 副词 • 2 介词短语 ：he traveled in Africa for six weeks. • 3 形容词: my uncle stood there, died.
he finally came back, tired and cold. • 4 with复合结构: with a lot of work to do, I think I