2011 高考英语备考（考点聚焦+名题导解） 状语从句一、考点聚焦 1、时间状语从句 （1）as、when、while用法一览表。类别作 用例 句asas 表 示 “ 当 … … 的 时 候 ” ， 往 往 和when/ while 通用，但它着重强调主句与从句的动作或事情同时或几乎同时发生。She came up as I was cooking.(同时)The runners started as the gun went off.(几乎同时)when(at or during the time th at )既可以表示在某一点的时候，又可表示在某一段时间内，主句与从句的动作或事情可以同时发生也可以先后发生。It was raining when we arrived.(指时间点)When we were at sc hool, we went to the library every day.(在一段时间内)whilewhile 意思是“当……的时候”或“在某一段时间里”。主句中的动作或事情在从句中的动作或事情的进展过程中发生，从句中的动词一般要用延续性动词 。 在 when 表 示 a period of time时，两者可以互换。Please don’t talk so loud while others are working.He fell asleep while/when reading. Strike while the iron is hot.(用 as 或when 不可，这里的 while 意思是“趁……”)（2）引导时间状语从句的连接词除上述外还有：①till, not … until …, until, before, sinceDon’t get off the bus until it has stopped.He waited for his father until(till)it was twelve o’clock.It will be five years before he returns from England.②hardly / scarcely … when, no sooner … than, as soon as once表示“一……就”As soon as I have finished it , I’ll give yu a call.Once you show any fear, he will attack you.We had hardly got / Hardly had we got into the country when itbegan to rain.No sooner had he arrived / He had no sooner arrived than she started complaining.③directly, immediately, the moment, the minute that… 一……就He made for the door directly he heard the knock.④each time, every time, by the timeEach time he came to my city, he would call on me.注意：表示未来情况，主句用将来时，从句用现在时。2、让步状语从句（1）alth...
