[原创]2019年《南方新课堂·高考总复习》英语 第二部分 第九讲 状语从句[配套课件].pptVIP

第九讲 状语从句 状语从句是由从句来充当状语的句子，其在句子中可修饰 谓语动词(或其他动词)、形容词、副词或整个句子。它可以用 来表示时间、地点、原因、目的、结果、条件、方式、比较、 让步等。 分类 引导词 例句 时间状 语从句 while ( 谓 语 动 词 必 须是延续性动词) Please keep quiet while others are studying.(此处 while 可换成 when)当别人正 在学习时，请保持安静。 when ( 谓 语 动 词 可 以 是终止性的，也可以是 延续性的) When I went into the lab, the teacher was doing an experiment.( 此 处 when 不 能 换 成 while) as (当……的时候，强 调 “ 一 边 …… 一 边……”) As I was walking down the street, I noticed a police car.(此处 As 可换成 When/While)当我 沿着大街散步时，我注意到一辆警车。 till/until (直到……，主 句 用 延 续 性 动 词 ), not...until/till ( 直 到……才，主句用终止 性动词) They played volleyball until/till it got dark.(延 续性动词)他们打排球直到天黑才结束。 He didnt go to bed until/till his father came back.( 终止性动词) 直到他父亲回来他才睡 觉。 一、状语从句的引导词 当我走进实验室时，老师正在做实验。 分类 引导词 例句 地点状 语从句 where, wherever Make a mark where you have a question.在你 有问题的地方标个记号。 Sit wherever you like.坐在你喜欢的地方。 原因状 语从句 because, since, as He had to stay at home yesterday because he was ill.昨天他必须待在家里，因为他病了。 Since everyone is here, now lets begin. 既 然 大家都到齐了，那现在就开始吧。 目的状 语从句 so that, in order that, in case (以防，以免) Speak clearly, so that they may understand you.说清楚些以便他们都能听懂。 He left early in case he should miss the train. 他早早地离开，以防误了火车。 结果状 语从句 so...that, such...that He was so excited that he jumped from the sofa.他如此激动以至于从沙发上跳了下来。 （续表） 分类 引导词 例句 条件状 语从句 (真实/ 非真 实) if (不能用 whether 替换), unless, so/as long as, on condition that, so/as far as, if only (＝if) If he is not in the office, he must be out for lunch.如果他不在办公室，那一定是出去吃 午饭了。 You may borrow the book so long as you keep it clean.你可以借这本书，只要你让它 保持干净。 方式状 语从句 as, as if/though, the way, rather than... You must do the exercise as I show you.你必 须按照我教你的去做练习。 He acted as if nothing had happened.从他的 举止行为看，似乎什么也没发生过。 （续表） 分类 引导词 例句 比较状 语从句 than, so/as...as, the more...the more... I have made a lot more mistakes than you have.我犯的错误比你犯的多得多。 The busier he is, the happier he feels. 越 是 忙，他觉得越快乐。 让步状 语从句 although, though, as, even if/though, however, whatever,