内容正文:
中考英语状语从句综合复习及练习学案
状语从句考点讲解以及针对性训练(时间,条件,原因,地点,结果,比较,让步,目的状语从句的用法)
时间状语从句
【经典剖析】
1. 时间状语从句用一般现在时表示将来。连接时间状语从句的连接词有:
when(当……的时候),while(当……的时候),as(当……的时候),once( 一旦),
till( until)(一直到……,直到……才),by the time(到……时),as soon as(一……就)the moment(一……就).since(自从 ……).before(在……前).after(左……后)
2.when,while,as均可表示“当……的时候”。
when强调“特定时间”,表示主句谓语动词的动作与从句谓语动词的动作是同时发生的,或从句的动作发生在主句的动作之前;while表示的时间是一段,而不是一点,as多用在口语中,强调“同一时间”或“一前一后”,有时还有“随着”的含义。
I'll go on with the work when/come back tomorrow.我明天回来后会继续做我的工作。
When spring came, he felt like a trip.春天来了,他想去旅游。
When he was eating his breakfast, he heard the doorbell ring.(强调吃饭的时候)。
While he was eating his breakfast, he heard the doorbell ring.(强调吃饭的过程中)
While I was studying, you fell asleep.当我学习的时候,你睡着了。
Just as he was speaking, there was a loud explosion.正当他要说话时,传来很大的爆炸声。
As I was going out, it began to rain.(强调两个动作先后发生)
As spring warms the good earth,all flowers begin to bloom.(as有“随着”的含义)
3.till/until,表示“一直到……”,主从句都用肯定式;表示“直到……才”,主句否定,从句肯定。