状语：描述事物发生的各种关系，如时间关系、地点关系、原因关系等
状语从句：在句子中通过从句来做状语成分.这写从句分别由不同的引导词来引导
对比其他的连接词，状语从句的连接都是有意义的
I'll see you at school gate(地点,单纯的状语) tomorrow morning(时间,单纯的状语).
He speaks English very well.
I come to see you.
The boy was praised for his bravery.
(非谓语，本质上是一个状语从句 == After he had)Having had a quarred with his wife(从句), he left home.
If(if引导) I am not busy tomorrow(状语从句), I will play football with you.
// 区别 虚拟语气 If i were not busy tomorrow, i woud play football with you.
状语从句的逗号
I'll tell you as soon as i konw
As soon as I know, I'll tell.
1.时间状语从句
1.when/As/When
While /As /When you have finished your work(状语从句,通过引导词来引导), you may have a rest.
瞬间 持续 同时 先后 当...... 然而 一边 随着
when 可以 可以 可以 可以 可以
while 不可以 可以 可以 不可以 可以 可以
as 可以 可以 可以 不可以 可以 可以(两个动作) 可以
When the film ended(先后关系), the people wen back//在......之后
Some people wasted food while(然而,对比) others don't have enouth//对比
As(两个动作同时进行) he walked along, he sang happily.// 一边一边
As/when/while(当.....) he was eating his breakfast, he heared the doorbell ring.// 当....
2.untill/till
1.I finish(短暂性动词,无法延续) my homework untill my father came back// 肯定句
改为：I didn't finish(短暂性动词,无法延续) my homework untill my father came back
2.I married her until i was 30
肯定句 主句延续性谓语 一直到......
until/till
否定句 主句短暂性谓语 直达......才 // I didn't finish(短暂性动词,无法延续) my homework untill my father came back
例子：
he worked(持续性动词) until it was dark
he not got up until his mother step in/come in /enter.
3.The first time, the last time......
The moment i saw him, i recoginzed him.
The first time i saw him, i fell in love with him.
// 都是连词 不能再这些词后面 加 when
The first time, the last time，next time, everything, each time;
The second/minute/instant/day/month/week/year/morning.
The moment/Every time when
When I saw him for the first time, I fell in love with her.
The day her husband died, she gave birth a son.
the day when her husband died, she gave birth a son.(不能当作定语从句, the day 不是句子)
On the day(状语) when her husband died, she gave birth a son.
She gave birth a son on the day when her husband died.
4.Hardly......when/No sooner......when
// Hardly......when在句首时为固定的倒装结构,表示一件事紧接着另一件事发生,在汉语中译为:一......就
// 时态上主句一般用过去完成时,从句用过去时态
// 有时主句也可用现在完成时,从句用一般现在时.
例如: Hardly had he seen me when he ran away.他一看见我就跑了
I had hardly sat down(主句，过去完成时) when stepped in(一搬过去式)
She had no sooner sat down than the telephone rang.
She had no sooner arrived, We had already left.
By the time he arrives, we will have left.
as soon as;once/before/after
2.地点状语从句
Where there is a will, there is a way.
Put the ball where i can see it
where/wherever/anywhere/everywhere
地点状语从句区别定语从句
Put the fish where i can see it (fish == where 无法等同)
pPut the fish on the table where i can see it // 定语从句
where VS wherever
We must camp where we can get water ......某个地方
You can't camp anywhere/wherever you like .....任何地方
地点状语从句和让步状语从句
I can find the book wherever you put it. 无论,不管
no matter where
You can put the book wherever you like 的任何地方
1.状语从句必须是个完整的句子
2.连接词都是有意义的// 对比定语从句
3.连接词的区别很重要