They have been close friends since childhood.
She has lived here since 1990．
I haven't been out much since coming here．
Since when have you been working on this project?
This has been my ideal since long ago.
What's the place we're passing through?
We helped her get out through the back door.
There is a path through the fields．
She must have been through a lot．
They went through many trials.
She told us about the hard ships she had been through.
We learned all this through John．
We learn to speak through Speaking．
He obtained the work through his own efforts．
The war was lost through bad organization．
They lost the match through over-confidence．由于过于自信他们赛输了。
We quickly saw through his trick．
So they got through it as quickly as possible．
He began to look through the photograph album.
She read through three of the passages．
He was ill all through November．
I'll like you to go through my book．
They stuck together through thick and thin．
从属连词引导的原因状语从句(because,as,since,now that,seeing that)
引导原因状语从句的连词： 1)because因为： I stud……
1．before的用法和例句： 1)在……前面： We have……
1．副词作表语 英语中与介词同形的副词几乎都可用作表语： Is ……
1．inside的用法和例句： 1)在里面： They did ……
to的用法和例句 1)向(某处)，去(某地)： She goes……
1．out of的用法和例句： 1)从……(出来)： He go……