内蒙古乌拉特中旗一中高一英语导学案:Unit 4 Astronomy the science of the stars Period 4(新人教版必修 3)【学习目标】 1. 掌握主语从句与同位语从句的引导词,模式。2. 掌握主语从句与同位语从句的运用。3. 灵活运用名词性从句【学习重点】掌握主语从句的运用。【学习难点】 同位语从句和定语从句的区别 一,主语从句【课前预习】1. 主语的一些相关知识① 主语的定义:__________________________________________________② 什么能做主语?_______________________________________________③ 主语的位置?_________________________________________________2. 主语从句的相关知识① 什么是主语从句?____________________________________________② 主语从句的引导词?_______________________________________________③ 主语从句的引导词=__________从句的引导词。【课内探究】 1. 当句子作主语时,一般用______作形式主语,把真正的主语放到后面,句式为____________________________________________。e.g. Whether sports meeting will be held has not been decided.可改为———————————————————————————————— 2. 在主语从句中,不能用 if, 只能用__________。e.g. 是否他明天回来取决于天气。___________________________________________________3. _____引导的主语从句一般不用代词 it 做形式主语。e.g What he said is right. 不能写成___________________________. 注意:①主语从句中不能省略任何引导词。 ②Whomever, whoever, whichever, whatever, however, whenever, wherever, 既可引导__________,又可引导_____________, 相应的汉语意思_________________________________________________________________________.1e.g1. ________ you do made me happy.译:____________________________________________________e. g 2. _______ will go finally must close the door.译:_________________________________________________ ③ 句子做主语时,主句的谓语动词用________数,但是 what 引导的句子作主语时,__________决定。【当堂检测】1.________ makes mistakes must correct them.A. What B. That C. Whoever D. Whatever2. It worried her a bit ____ her hair was t...