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 that )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）although 与 though 可以引导...
