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1、2014 语法词法专题精品教案四状语从句【要点点拨】近几年高考对状语从句的考查主要体现在以下几个方面:【考点 1】when , while 与 as 的用法均可表示“当的时候” ,但有区别:when:既可接表示动作性或短暂性的动词,也可接表示状态的动词,不强调主从句谓语动作同时发生。有时还有“ 这时 ”的意思。while:常接持续性的动词,强调主从句谓语动作同时发生,常用进行时。有时还有对比意义,意为“然而 ”。as:强调同时发生或伴随进行。常用一般现在时或过去时,意为“ 一边一边”。有时还有“随着”含义。 I do every single bit of housework _ my hus
2、band Bob just does the dishes now and then.A. since B. while C. when D. as 【考点 2】 “一就”几种表达法once,as soon as,the moment / minute,immediately / directly / instantly 引导的从句常用一般现在时或过去时。hardly / scarcely when和 no sooner than 结构中,前句常用过去完成式(常用部分倒装形式) ,后句用过去式。On doing sth.,each / every / the first / the last
3、+ time 后也可直接接从句,一起作时间状语。 Did you remember to give Mary the money you owed her? Yes. I gave it to her _ I saw her. A. while B. the moment C. suddenly D. once【考点 3】because,as,since 与 for 的用法比较because:表示直接的原因或理由。用于回答 Why 的问题。because 与 so 不能同时并列使用。since:表示对方已知的,无须加以说明的既成事实的理由。译为“既然”。as:表示十分明显的原因,一般说明因果关
4、系。for:常出现在并列句中,不说明主句行为发生的直接原因,只提供一些补充说明,且不可位于句首。 _ you are leaving tomorrow, we can eat dinner together tonight. A. For B. Since C. When D. while【考点 4】no matter 后可接 who, whom,whose,which ,what ,when,where ,how,whether引导的让步主语从句可用 whoever,whomever,whenever,whichever,whatever,wherever,however 替换,但在 eve
5、r 引导其它从句时不可用 no matter 引导。 _, I have to put it away and focus my attention on study this week. A. However the study is amusing B. No matter amusing the story isC. However amusing the story is D. No matter how the story is amusing【考点 5】until / till 的用法 It was _ back home after the experiment. A. not
6、until midnight did he go B. until midnight that he didnt goC. not until midnight that he went D. until midnight when he didnt go Was his father very strict with him when he was at school? Yes. He had never praised him _ he became one of the top students in the grade.A. after B. unless C. until D. wh
7、en 【考点 6】引导让步主语从句应注意等几个问题1由 although / though , even if / though 引导注意 although / though 引导从句时,主句不能用 but,但可用 yet 或 still。2由 whether or (not) 引导3由 though 或 as 引导的倒装句中。4though 用作副词,可位于句末,并用逗号分开。 Dad, Ive finished my assignment. Good, and _ you play or watch TV, you mustnt disturb me. A. whenever B. whe
8、ther C. whatever D. no matter【考点 7】before 用法注意 before 在下列句型中的使用It will be + 一段时间 + before + 从句It wont be long before + 从句before 一词在不同的句型中就有不同的意思,如:“在之前”、 “过了才” 、 “没就”、 “不知不觉就” 等。 It will be a long time _ Mr. Black _ back abroad. A. before; comes B. since; has comeC. before; will come D. after; will
9、come【考点 8】where 引导的定语从句与 where 引导的地点状语从句的区别 I have learned that a large new building will be set up _ the Twin Towers once stood. So have I. But the American people havent yet got over the shock of September 11.A. where B. when C. which D. that 【考点 9】so that 可引导目的状语从句和结果状语从句 Roses need special care
10、_ they can live through winter. A. because B. so that C. even if D. as【考点 10】状语从句的省略用法1当 when,while,if,unless 引导状语从句时,如果主从句的主语一致,且谓语部分由 be 动词构成(或者从句中有 it is)时,可省略主语和 be 动词(或省略 it is) 。2在虚拟条件状语从句中,如果从句中有 had,should,were 时,可省略 if,用“had,should,were + 主语”形式。3 以 as,than 引导的比较状语从句可全部或部分省去。4as if 和 as thou
11、gh 从句可用省略形式,后接不定式、分词、形容词和介词。 The research is so designed that once _ nothing can be done to change it. A. begins B. having begun C. beginning D. begun Generally speaking, _ according to the directions, the drug has no side effect. (A. when taking B. when taken C. when to take D. when to be taken答案:B
12、BBCC CBAAB DB【各个击破】1_, I couldnt lift the box.A. As I might try B. Try although I mightC. As try I might D. Try as I might2The next moment, _ she had time to realize what was happening, she was hit over the head.A. when B. before C. since D. as 3Do you have any idea what Hank does all day?I know he
13、speaks at least as much time watching TV as he _.A. does writing B. writes C. is writing D. does to write4If the way _ you do the job is wrong, you will surely fail _ good your idea may be.A. how; however B. /; however C. that; whatever D. in which; how5She must have gone out early, _ she had not sh
14、own up at breakfast.A. because B. since C. for D. therefore6I dont think youll be able to understand that _ you are my age.A. even B. only when C. as if D. even when7Dont look down upon Bob. He has just own advantages.Oh, yes. _ others are weak, he is strong.A. When B. Though C. Where D. If8 Christi
15、e stared angrily at her boss and turned away, as though _ out of the office.A. to go B. went C. gone D. would go9Excuse me, is there a gas station around _ I can fill up my tank?Of course, there is one at the end of the road.A. that B. in which C. where D. which10I was advised to arrange for insurance _ I needed some medical treatment.A. so that B. in case C. for fear of D. though11Mr. Li, though in a bad health, is always w