英语状语从句解析.pptxVIP

(状语从句 ) 1 一,什么是状语从句 用句子作状语,来说明一件事情发生的时间,地点,原因,条件,结果等. 二,状语从句的分类 时间，地点，条件，原因，让步，目的，方式，结果，比较等９种． 三，学习方法 １，弄清每种状语从句的连接词（既从属连词）． ２，弄清不同连接词之间的区别． 2 一：时间状语从句 连词： when, while, as, till/until, before, after, since, once, as soon as等． When he was still a young man, he was forced to leave his homeland for political reasons. It has been 15 years since he left. I’ll tell him the news as soon as I see him. Once you have got used to it, you will like it. I waited till he had finished his work. 3 1. till/ until He _________ until it stopped raining. left B. didn’t leave C. stayed D. didn’t stay 4 2. since since引导的时间状语从句，译为“自从……”，主句常用现在完成时，从句常用一般过去时。 We have made many dumplings since we began to cook. 自从我们开始做饭起，我们已经包了许多饺子了。 We havent seen each other since we parted . 我们自从分手以后一直没见过面。 5 句型：It is +时间段+since从句   自从……有多长时间了。 It is six years since she graduated from the university. 自从她大学毕业已有六年的时间了。 句型：it is +一段时间＋before+从句 过了多久才--- It was 7years later before I got married. 6 3. 表示一…就…的结构 hardly/scarcely…when/before no sooner…than as soon as 　 I had hardly / scarcely got home when it began to rain. I had no sooner got home than it began to rain.　As soon as I got home, it began to rain. 如果hardly, scarcely 或no sooner置于句首，句子必须用倒装结构：　 Hardly / Scarcely had I got home when it began to rain.　 No sooner had I got home than it began to rain 7 4. by the time, each time, every time, immediately, the moment, the instant, the minute, soon after, shortly after都可以作为连词，引导时间状语。如： By the time he was fourteen, he had taught himself advanced mathematics. Each time he came, he would call on me. You must show