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. Until B. Unless C. Once D. Although【答题技巧】1. while, when 和 as 的用法区别: (1)基本用法。①while 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. ②when 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。③as 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。①when 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 po int of doing when…She was about to walk out of the door when the telephone rang. ②while 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 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.till/until 直到 not…until 直到…才强调：It is/was not until…that…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...
