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状语从句

状语从句​

状语从句​

  • 作为副词使用；
  • 修饰动词，形容词，副词等；
  • 可有可无，删除并不影响句子结构；

来自陈述句​

  • 通过各种连接词连接；
  • 表示逻辑关系；
I believe that, because I have seen one with my own eyes.

来自 Information question​

  • 疑问句还原动词顺序为陈述句；
  • 疑问词前添加 no matter 或者疑问词后添加 -ever 后缀；
No matter where the criminal is hiding, the police is going to get him.
Wherever the criminal is hiding, the police is going to get him.

来自 Yes/No question​

  • 疑问句还原动词顺序为陈述句；
  • 添加连接词 whether/if 或 no matter；
Whether he' s still alive (or not) is difficult to say.
No matter he' s still alive (or not), I' m not going to marry anyone else.

现在式表示将来​

  • 时间状语从句和条件状语从句用现在表示将来；
  • 时间状语从句；
    • when 的当。。。和将来有冲突；
    • 因此将时间定为现在；
  • 条件状语从句；
    • if 为如果，语气为如果为真；
    • 使用陈述语气，不能使用不确定的 will；
    • 因此使用现在式代替将来时；
// 名词从句依旧使用将来
Do you know when he will return?
// 时间状语从句使用现在表示将来
I' ll let you know when he returns.

// 名词从句依旧使用将来
I can' t remember if I turned off the gas or not.
// 条件状语从句使用现在表示将来
I have to go back if I didn' t turn off the gas.

常用的连接词​

after​
  • 构成时间状语从句，表示某时间后；
After he graduated, the young man found himself unemployed.
although/though​
  • 构成让步状语从句，表示转折；
My sister doesn' t have a boyfriend now, although(though) she is very pretty.
as​
  • 修饰整个主句；
  • 构成时间状语从句，表示正当；
  • 构成表示原因的状语从句，表示因为；
// 修饰整个主句
Haste makes waste, as the saying goes.
// 构成时间状语从句
Tears ran down the woman' s cheeks as the train pulled away.
// 构成表示原因的状语从句
As there is little time left, we' d better hurry.
as ... as​
  • 构成作比较的状语从句；
You can stay on for as many days as you like.
as far as​
  • 构成表示程度的状语从句，修饰整个主句，表示就 。。。而言；
As far as I know, your friend had no part in the scandal.
as if​
  • 构成表示方法，状态的状语从句，表示好像；
  • 可以表达陈述语气和假设语气；
// 陈述语气
The student raised a hand, as if he was going to ask a question.
// 假设语气
The woman treats her husband as if he were a baby.
as long as​
  • 构成条件状语从句，表示只要；
As long as there is ammunition left, we will fight on.
because​
  • 构成表示原因的状语从句，表示因为；
I can' t go out with you tonight because I have a previous engagement.
before​
  • 构成时间状语从句，表示某时间前；
Read the contract carefully before you sign it.
for​
  • 构成表示原因的状语从句，表示因为；
You needn' t fear my brother, for he' s a good man.
for fear that​
  • 构成表示目的的状语从句，表示以免；
The camper put water on the ashes for fear that he might start a forest fire.
if​
  • 构成表示条件状语从句，表示如果；
If you prefer, we can settle our differences in court.
in case​
  • 构成表示目的的状语从句，表示万一；
In case you haven't heard, SARS has broken out again.
in order that​
  • 构成表示目的的状语从句，表示为了；
The speaker raised his voice in order that everyone might hear him.
in that​
  • 构成表示解释的状语从句，表示意思是；
The experiment is a success in that it has proved the theory wrong.
no matter​
  • 构成状语从句，表示无论；
No matter(or whether) my father agrees or not, I' m going to be a singer.
no sooner ... than​
  • 构成表示比较的状语从句，表示一 。。。就；
No sooner had the bell rung than the students jumped up to leave.
now that​
  • 构成表示原因的状语从句，表示既然；
Now that you' re graduated, you should start working to support yourself.
on condition that​
  • 构成条件状语从句，表示条件是；
The man spoke to the press on condition that he remain anonymous.
only that​
  • 构成让步状语从句，表示只不过；
I really like to go to the party, only that I have to study for an exam.
lest​
  • 构成表示目的的状语从句，表示以免；
Let me explain myself more clearly, lest there should be any misunderstanding.
since​
  • 构成时间状语从句，表示自从。。。；
  • 构成表示原因的状语从句，表示既然；
// 表示时间
It has been three years since I last visited the small town.
// 表示原因
Since there' s nothing more to do here, we might as well go home.
so that​
  • 构成表示结果的状语从句，表示结果；
  • 构成表示目的的状语从句，表示目的是；
// 表示结果
There were three examiners in the small room, so that no student dared to cheat.
// 表示目的
The school decided to send more examiners so that the students wouldn' t cheat.
so ... that​
  • 构成表示结果的状语从句，表示如此 。。。以至于；
It was so cold that the lake was frozen through.
such ... that​
  • 构成表示结果的状语从句，表示如此 。。。以至于；
  • 同 so 。。.that，不过 such 。。.that 修饰名词；
It was such a cold day that few ventured outdoors.
suppose​
  • 构成条件状语从句，表示假设，使用假设语气；
Suppose you needed advice on your marriage, where would you go?
than​
  • 构成表示比较的状语从句；
That man has more money than he can ever spend.
until​
  • 构成时间状语从句，表示直到；
Wait here until you are called for.
when​
  • 构成时间状语从句，表示正当；
I was in the bath when the doorbell rang.
where​
  • 构成地点状语从句，表示地点；
The virus thrives where people live in close proximity to one another.
while​
  • 构成时间状语从句，表示正当；
  • 构成让步状语从句，表示转折；
// 时间状语从句
The woman made breakfast while her husband was still sleeping.
// 让步状语从句
While there is no hurry, I would prefer to get the job done sooner than later.