状语从句 （Adverbial Clause） 状语从句指句子用作状语时，起副词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。状语从句一般由连词(从属连词)引导，也可以由词组引起。从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。
The teacher asked Tom, “Why did you come to school so late this morning?”
“Someone lost one Yuan.” answered Tom.
“Oh, now I know, you helped him find the money,” the teacher said.
“No, I stood on the money until the person went away,” was Tom’s reply.
What time do you get up in the summer holidays?
As soon as the sun begins to come through my window.
Isn’t that quite early?
Well, my room faces west.
Until I was 13， I thought my name was “shut up”.
—While you’re feeding good bread to the birds, there are people starving in Africa.
—I’m sorry, but I can’t throw that far.
As you get older three things happen. The first is your memory goes, and I can’t remember the other two…
The wise never marry, and when they marry they become otherwise.
By the time
The first time
The last time
The next time
Stay where you are.
Where one door shuts, another opens.