高考英语状语从句专项讲解

高考英语状语从句专项讲解 状语从句在复合句中起状语的作用，修饰主句中的谓语动词、形容词和副词等。 状语从句由从属连词引导，从属连词在句中不充当句子成分，只起连接作用。状语从句多位于句首或句尾。位于句首时，一般要用逗号与主句隔开；位于句尾时，一般不用逗号。 · When the earthquake broke out, all the students were sleeping soundly. · She must have written the letter immediately she got home. · I came directly I got your message. 一、时间状语从句：起时间状语作用的从句 （一）时间状语从句常用的引导词： when, while, 当……的时候; as 当…的时候；一边…一边… as soon as, the moment (that), the minute (that), immediately, directly, instantly 一……就 no sooner …than…, hardly…when 刚…就… 【句首倒装】 since, before, after, once , whenever等. till, until, not…until… 直到… not until 【句首倒装】 1) 1．as，when，while when“在…的时候”； while“在…期间”； as“正当…的时候”； when意为“在…时”，强调“特定时间”里两件事情相继发生。例如： When he was eating his breakfast, he heard the doorbell ring. When spring came, he felt like a trip. When he finished his test, he left the room. ☆说明：连词when在状语从句中还有以下几种含义： 1 表示突然发生的事，含义为“（正在…时）忽然”。例如： I was just coming along to see you when I ran into Wilson. I had been working a couple of months w