2012届高考英语一轮复习 状语从句精讲精练学案 新人教版

状语从句时间状语从句(1)表示时间的状语从句可以由 when，whenever，as，while，before，until，ever since，as soon as 等词引导。As a young man (＝When he was a young man)，he was fond of hunting.他年轻时，喜欢打猎。When the rain stopped，students rushed out of the classroom.雨停了，学生们冲出教室。My mother was cooking while I was doing my homework.我做作业时母亲在做饭。We were about to set off when it suddenly began to rain.我们刚要出发，突然下起雨来。It will be half a year before I come back.我半年之后才回来。(2)名词词组引导时间状语从句：every/each time 每一次；the moment/minute 那时(一……就……)；the first/second time 第一/二次；the last time 最后一次；the day 那一天；the week 那一周等。Every time I see him，he looks miserable.每次我看见他，他都是一副愁眉苦脸的样子。He said he’d phone you the moment he got home.他说他一到家就给你打电话。(3)as soon as，instantly，directly，immediately 等表示从句动作一发生，主句动作随即发生，通常意为“一……就……”，也可引起表示时间的状语从句。The moment I saw it，I fell in love with it.我一看见它就爱上了它。Directly I had done it，I knew I had made a mistake.我一做完，就知道犯了个错误。He rushed upstairs immediately he heard a loud noise.他一听到大的响动就冲上了楼梯。(4)no sooner...than 和 hardly...when 引导的从句表示“刚……就……”。主句中的动词一般用过去完成时，从句用过去时。若把 no sooner，hardly 提到句首，主句须倒装。No sooner had he sat down than the phone rang.用心 爱心 专心1他刚坐下，电话铃就响了。Hardly had the game begun when it started to rain.比赛刚刚开始，天就开始下起雨来。条件状语从句引导条件状语从句的从属连词有：if，unless (＝if...not 除非)，so/as long as (只要)，in case (万一)，on condition that (条件是)，suppose/supposing ( 假设，如果)，provided that (如果)等。Don’t come in unless I let you.别进来，除非我允许。As long as you don’t lose heart，you...