状语从句
状语能够修饰动词、形容词、副词以及整个句子的成分
- 状语可以修饰动词和动词短语
He speaks English very well. - 状语修饰句子
I was 10 ten years ago. - 状语修饰形容词、副词等
从句 = 引导词 + 陈述句
- where 结构 地点状语从句
I am shy where I am at school. - because 结构 原因状语从句
I am shy because I am at shcool. - when 结构 时间状语从句
when引导的从句部分，一般为发生时间很短的事，动词为终止性动词，表示：这时...（表示一瞬间的事），而主句部分一般为进行时态
When the fire broke out,all the students were sleeping soundly. - while 结构
主句与从句结构平行，一般为同时进行的
Father was preparing a report while I was playing video games.
While I play the piano,my sister does her homework. - as 结构：随着 / 一边...一边... / 刚...,就....了
As you grow older,you'll know more and more about yourself.
As he was reading,he was shaking his head.
My cap was blown away as I sat down.
常见状语从句
-
even though就算 ... ,但是...
后面不能加but
eg：I have to say even though I may offend you.
eg：Even though,it''s right,it doesn't work for me. -
sb ... was doing when ...某人过去正在做什么
eg：I was taking a shower when you called me. -
sb was about to when ...当...的时候,某人那时正要做
eg：I was about to hang out when you came here. -
sb was/did when ...表示某人过去的状态或者动作
eg：I was not confident when I was in high school.
eg：I was still in the office when it was almost midnight. -
sb will do sth when ...当...的时候,某人将要做
eg：I will tell you when I am ready.
eg：I will call you when I am not busy.
once 与 if 引导的状语从句
-
once引导的从句可以表示时间,意思为一旦怎样怎样
eg：Once I finish this program,I will be able to have a good rest. -
once加上一个句子还能表示条件,一旦满足了某个条件,事情就...
eg：Once it is sunny,we can go to the park.
eg：Once I catch that train,I can arrive on time.
eg：Once you see this film,you will never forget it. -
if引导的条件的状语从句,如果...就可能会...
eg：If you behave yourself,I will buy you a toy.
eg：If we don't hurry,we are going to be late.
