高三英语一轮复习 状语从句1教学案

一岗双责落实还不到位。受事务性工作影响，对分管单位一岗双责常常落实在安排部署上、口头要求上，实际督导、检查的少，指导、推进、检查还不到位。装订线状语从句（一）课题 ：状语从句（一）教学目标：了解状语从句的分类情况及在各类状语从句中经常使用的连接词；教学重难点：能够在真实的语境中判断从句与主句的逻辑关系，从而能够使用恰当的连接词完成交际；能够辨别同类状语从句中近似连接词的用法差异。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3500词unit44Task 2【状语从句1】 考点1时间状语从句【典例】1. (2015四川高考)There is only one more day to go _ your favorite music group play live. A. sinceB. untilC. whenD. before2. (2015天津高考)We need to get to the root of the problem _ we can solve it. A. whileB. afterC. beforeD. as3. (2013陕西高考)I have heard a lot of good things about you _ I came back from abroad. A. sinceB. untilC. beforeD. when【解题关键】1. while, when和as的用法区别: (1)基本用法。while引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”。She 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. . . 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3. since常用句式: It is/has been+一段时间+since. . . (从句用一般过去时); It 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。考点2条件状语从句【典例】1. (2015江苏高考)It is so cold that you cant go outside _ fully covered in thick clothes. A. ifB. unlessC. onceD. when2. (2015陕西高考)I believe you will have a wonderful time here _ you get to know everyone else. A. thoughB. as ifC. onceD. so that3. (2015北京高考)You wont find paper cutting difficult _ you keep practicing it. A. even thoughB. as long as C. as ifD. ever since4. (2014四川高考)Ill be out for some time. _ anything important happens, call me up immediately. A. In caseB. As if C. Even thoughD. Now that【解题关键】1. 条件状语从句的引导词: if, unless(if. . . not), if only, once, so/as long as, suppose/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 afterwards. 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】1. (2013山东高考)Mark needs to learn Chinese _ his company is opening a branch in Beijing. A. unlessB. untilC. althoughD. since2. (2013安徽高考)Its much easier to make friends _ you have similar interests. A. unlessB. when C. even thoughD. so that【解题关键】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, 就不应该依靠你的父母了。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? 既然他们把所有的空闲时间