高中英语 unit 4 astronomy the science of the stars period 4导学案 新人教版必修3

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1、内蒙古乌拉特中旗一中高一英语导学案：Unit4AstronomythescienceofthestarsPeriod4（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？_________________________

2、______________________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__

3、__________________________________________。e.g.Whethersportsmeetingwillbeheldhasnotbeendecided.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.gWhathesaidisrig

4、ht.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_________________________________________________________________________.e.g1.________youdomademehappy.译：__________

5、__________________________________________e.g2._______willgofinallymustclosethedoor.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.________makesmistakesmustcorrectthem.A.WhatB.ThatC.WhoeverD.Whatever2.Itwor

6、riedherabit____herhairwasturninggrey.A.whileB.thatC.ifD.for3.Whenandwhyhecamehere________yet.A.isnotknownB.arenotknownC.hasnotknownD.havenotknown二，同位语从句【课前预习】：什么是同位语？______________________________________________【课内探究】1.同位语从句的定义_____________________________________________

7、_____2.同位语从句的位置__________________________________________________3.同位语从句的引导词________________________________________________4.同位语从句的模式__________________________________________________①②③④5.同位语从句与定语从句的区别：例子：e.g1Informationhasbeenputforward____moremiddleschoolgraduateswillb

8、eadmittedintouniversities.A.itB.which  C.this  D.that例2：Sheheardaterriblenoise,____brough