高三英语二轮复习 语法专项十 状语从句（一）教学案

1、装订线课题 ：状语从句（一）教学目标：了解状语从句高考考点并掌握解题技巧.教学重难点：了解状语从句高考考点并掌握解题技巧.教学过程集体备课部分（学生活动部分）个性备课部分/学生记录Task 1【自主学习】检查晨读内容Task 2【知识梳理】考点1 时间状语从句 【典例导引】(2015北京高考)_the damage is done, it will take many years for the farmland to recover. A. UntilB. UnlessC. OnceD. Although【答题技巧】1. while, when和as的用法区别: (1)基本用法。while引

2、导的时间状语从句须用持续性动词, 意为“当时候”“趁着”。We must strike while the iron is hot. when引导的时间状语从句既可用持续性动词又可用非持续性动词。as意为“一边一边”“随着”“正当”。As each day passes, China becomes more and more powerful. (2)特殊用法。when可作并列连词, 表示突然发生某事, 意为“正在这时/忽然”。句型如：sb. be doing sth. when;sb. be about to do sth. when;sb. be on the point of doin

3、g whenShe was about to walk out of the door when the telephone rang. while可作并列连词, 表示“然而, 却”。Motion is absolute while stagnation is relative. 2. before常用句式: It will(not)be+一段时间+before. . . ; It was not long before. . . ; It was+时间段+before. . . 3. since常用句式: It is/has been+一段时间+since. . . (从句用一般过去时)It

4、 was+一段时间+since. . . (从句非延续性动词用过去完成时)4. 表示“一就”的句式: as soon as/once; on/upon(doing)sth. ; no sooner. . . than; hardly/scarcely. . . when; the moment; the instant; instantly; immediately等5. 引导时间状语从句的其他常见连词(短语): whenever, every time, each time, next time, the first/last time, any time, by the time等。6.t

5、ill/until 直到 notuntil 直到才强调：It is/was not untilthat倒装：Not until(部分倒装)It was not until you told me that I knew it.-Not until you told me did I know it.集体备课部分（学生活动部分）个性备课部分/学生记录装订线 考点2 条件状语从句【典例导引】(2015江苏高考)It is so cold that you cant go outside _ fully covered in thick clothes. A. ifB. unless C. once

6、D. when【答题技巧】1. 条件状语从句的引导词。if, unless(if. . . not), if only, once, so/as long as, supposing(that)(假设), in case(万一, 以防), so/as far as(就而言), on condition that(条件是), provided/providing(that)(假如)等。2. 从句中一般用一般现在时表示将来。I wont go unless Im invited. You may use the room as/so long as you clean it up afterwar

7、ds. 3. 特殊条件句。“祈使句+and/or/or else/otherwise+陈述句”的句型中, 祈使句可转化成条件状语从句。Use your head, and youll find a way. =If you use your head, youll find a way.考点3 原因状语从句 【典例导引】(2016天津高考)_the average age of the population increases, there are more and more old people to care for. A. UnlessB. Until C. AsD. While【答题技

8、巧】1. 引导原因状语从句的从属连词主要有: because, as, since, seeing(that), now(that), considering(that)等。Now(that)you are grown up, you should not rely on your parents. 既然你长大了, 就不该依靠你的父母了。2. when除引导时间状语从句外, 还可引导原因状语从句, 表示“既然, 鉴于”。How can they learn anything when they spend all their spare time watching television? 既然

9、他们把所有的空闲时间都用来看电视了, 还能学什么东西呢? 考点4 让步状语从句 【典例导引】(2016江苏高考)_some people are motivated by a need for success, others are motivated by a fear of failure. A. BecauseB. If C. UnlessD. While【答题技巧】1. 熟记让步状语从句的从属连词although, though, as, even though, even if等的含义。2. 牢记下列特殊情况: (1)when和while引导让步状语从句, 意思是“尽管”或“虽然”。

10、while用在句首, when常用在句中。While I understand what you say, I cant agree with you. (2)“No matter+疑问词”引导让步状语从句时, No matter+疑问词=疑问词+-ever。Whatever/No matter what happened, he would not mind. 注意: “疑问词+-ever”还可以引导名词性从句, 此时不能与“No matter+疑问词”互换。I will give the book to whoever needs it. (3)引导倒装的让步状语从句通常用as和though, 但不能用although, 且as引导的让步状语从句必须倒装。 Poor th