Unit1ScienceandScientistsDiscoverusefulstructures课件-高中英语人教版选择性

选择性必修二Unit1PredicativeClause①

理解:表语从句的结构及意义②

掌握:表语从句的连接词及使用规则③

运用:表语从句,去表达自己的想法

LearningAims表语用来描述主语是什么，包括主语的身份，特征和状态等。表语接在系动词后面。在复合句中作表语的从句叫做表语从句。表语从句位于主句的系动词之后，对主语进行解释、说明，使主语的内容具体化。表语从句必须用陈述语序。Eg:Thequestioniswhobrokethevase.

主语系动词表语从句Definitionofpredicativeclause连接词1.

Howtojudgewhetheritisapredicativeclause?主要依据：系动词后Theproblemisdifficult.Theproblemis

thathecannotspeakEnglish.Sth表语从句学什么？谓语动词引导词特殊句式

表状态表变化表不变其他be,seem,appeal,look,smell,sound,taste,feelbecome,grow,turn,get,gokeep,remain,stay,standprove1.系动词有哪些？常见系动词如何判断系动词？

用be动词替换需要检验的动词如果句法正确，句意无大变，基本判断该动词为连系动词Herfaceturnedred.Herfacewasred.2.Subordinatingconjunction引导词that（在从句中不充当成分）whether（在从句中不充当成分,意为“是否”,表语从句中不能使用“if”）

asif（在从句中不充当成分,意为“好像”）表语从句中SVO成分完整表语从句中SVO成分完整表语从句中SVO成分完整because（在从句中不充当成分,意为“因为”）表语从句中SP成分完整1）连词：在从句中不充当成分that

____意义，在表语从句中______成分,起______作用，________省略。无不充当连接不能连接词whether起_____作用，意为“_________________”，在句中也不作任何成分（注意：if

______引导表语从句)。连接是否不能似乎，好像because意为“______”引导表语从句强调原因，注意与why的区别。因为1.Theproblem

is__________couldfindoutacureforthedisease.2.WhatIhavenotdecided

is________Iamgoingtovisit.3.Bothmyparentshavegivenmesomeadviceonhowtosavemoney.Butthequestion

is

______adviceIshouldtake.

whose（在从句中充当定语，意为“谁的...”）表语从句中缺少定语表语从句中缺少主语whom（在从句中充当宾语,意为“谁”）表语从句中缺少宾语who（在从句中充当主语,意为“谁”）2）连接代词：在从句中充当成分主语、宾语、表语、定语连接代词what,which,who,whom,whose

除在句子中起______作用外，还可在从句中作_____、_____、_____或______，且各有词义。连接主语表语定语宾语howwhere

when表语从句中SVA成分完整,缺少原因状语：“为什么...”3）连接副词：在从句中充当方式、地点、原因、时间状语表语从句中SV成分完整，缺少方式状语：“如何”表语从句中SV成分完整,缺少时间状语：“...的时候”why表语从句中SV成分完整，缺少地点状语：“...的地方”连接副词where,when,why,how除在句中起______作用外，在从句中还充当_______、______、______或______状语，本身具有词义。连接时间地点方式原因解题思路先看句子是否完整再分析“充当句子什么成分”，结合句意句子完整关系副词，从属连词，其它连词when,where,why,how,that,whether,because,asif/though句子不完整关系代词what,which,who,whose等Thisis__________Iwant.Theproblemwas______coulddothework.Thevillageis_________Iusedtospendmyholiday.Thatis___________weneverthoughtofit.Thetroubleis__________weareshortoffunds.Myproblemis__________coatissuitableforme.I’d

like

to

startmyownbusiness—that’s________IwanttodoifIhadthemoney.WhatIwanttoknowis_______willsupportme.whatwherewhobecausethatwhichwhatwhoPractice9.Therewasanaccident.That’s______hewaslateforclass.10.Whatconcernsmemostis______willbemyteachernextterm.11.Thetroubleis_______Ihavelosthisaddress.12.Thequestionis__________thefilmisworthseeing.13.That’s________IobjecttotheplanwhyPracticewhothatwhetherwhyMattersneedattention：需要注意的事项3.特殊句式1.表语从句的【特殊句式】

Thereasonwhy....isthat....“...的原因是...”Thereasonisthat...“原因是...”Thereason________IlikeEnglishis________itbringsmehappiness.Thereasonis________Englishbringsmejoy.2.This/That/Itisbecause....“这/那是因为...”This/That/Itiswhy...“这/那就是...的原因。”because引导表语从句，从句表原因。why引导表语从句，从句表结果。IlikeEnglish.Thatis________itbringsmejoy.Englishbringsmejoy.Thatis_______Ilikeit.becausewhy1.Heiscarelessandirresponsible.Thatwas_______hewasfired.2.Hewasfired.Thatwas_________heiscarelessandirresponsible.3.Thereason_______hewasfiredwas________hewascarelessandirresponsible.whybecausewhythat即学即练Attention2:

表语从句中的虚拟语气Myproposalisthatwe(should)startearlytomorrow.Myadviceisthatwe(should)gettherebytrain.Mysuggestionisthatwe(should)goandhelphim.1)主语是表示___________________等的名词时，表语从句中