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1、 2022年6月英语四级语法20天冲关快训：第五天【手机用户】点击进入免费试听【CET4】 * 【CET6】【电脑用户】点击进入免费试听四六级考试课程！ 状语从句 状语从句：两个独立的句子中间用一些含义不同的连接词连接;状语从句用来表达两个句子之间的规律关系;分成缘由状语、条件状语、结果状语、时间状语、地点状语、让步状语、目的状语、比拟状语、方式状语等九大类型; eg：I got up late.I was late for school.Because I got up late, I was late for school. (缘由状语从句)I got up late，so I was l
2、ate for school. (结果状语从句)1) 时间状语从句时间状语从句主要由以下连词引导：when, whenever, as, while, since, until, till, before, after, as soon as, once, hardly (scarcely) when, no sooner than。I will discuss the matter with you when we meet tomorrow.时间状语从句还可由某些可充当连词的名词(the moment, the instant, every time,等)和副词(instantly, di
3、rectly等)引导：I will tell you the news the instant I know.Note:before除了可表示“在之前”外，还可用来强调主句所表达的时间、距离很长或花费的力气相比拟大，可译为“才”。(“not before”可用来强调主句所表达的时间、距离很短或花费的力气相比拟小，可译为“就”)。It was a long time before I got to sleep again.假如位于when引导的分句之前的主句使用过去进展时、过去完成时或“was/were about to, was/were on the point of”等构造时，when表示
4、突然发生某事，可译为“正在突然”或“刚就”等。这时，不能够用as或while来代替when。I was walking on the street when I ran into my old friend John.2) 条件状语从句条件状语从句主要由以下连词引导：if, unless, providing/provided (that), suppose/supposing (that), on condition (that), as/so long as, in case等。So long as you work hard, you will surely achieve good r
5、esults in examinations.3) 让步状语从句让步状语从句主要由以下连词引导：though, although, even if, even though, whatever, however, whoever, wherever, no matter how/ what/ where/ when等。以下介绍几种较特别的让步状语从句。(1)while引导的让步状语从句多放在句首，while相当于although，表示“尽管”，“虽然”。While I admit I did it, I didnt intend to.(2)短语“even now/then/so”相当于“th
6、ough it is/was true”，表示“尽管如此”，“尽管这样”。The fire was out, but even so, the smell of smoke was strong.(3) as引导的让步状语从句要倒装。Child as he was, he could speak four languages.4) 比拟状语从句比拟状语从句主要由以下连词引导：(not) as as, (not) the same as, (not) such as, not so as, than, the + 比拟级, the +比拟级等。We have had a lot more rainfall this year than we had last year.
