名词性从句(nounclauses)教学目标:掌握名词性从句的四大类型以及它们的用法,并能判断出练习中的句子属于什么从句类型,会做一些简单的练习。教学重点:1.主语从句,宾语从句,表语从句,同位语从句,让学生能快速判断出一个句子属于什么类型的从句。2.注意宾语从句的时态呼应。教学难点:1.that什么情况下可以省略,什么情况下不可以省略。2.whether和if什么时候可以互换,什么时候不可以互换。3.如何区分同位语从句与定语从句。教学过程:Lead—in:exercises1.______thebabycouldspeakmadehisparentsveryhappy.A.ThatB.WhatC.WhyD.If2.Iwonder______youwillgoshoppingorstayathome.A.thatB.ifC.whetherD.what3.Thisis______hewasoftenlateforschool.A.whatB.thatC.whyD.whether4.Weallknowthetruth______theearth______aroundthesun.A.if;movedB.that;movesC.why;moveD.whether;move完成以上四个题目,并分别指出它们是什么从句,从而导出名词性从句的学习。一.名词性从句的概念:一个句子在连接词的引导下,在句子中起名词作用的句子叫名词性从句。二.名词性从句的功能:相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等。Hisjobisimportant.(主语)Whathedoesisimportant.(主语从句)Thisishisjob.(表语)Thisiswhathedoeseveryday.(表语从句)Idon’tlikehisjob.(宾语)Idon’tlikewhathedoeseveryday.(宾语从句)Idon’tknowabouttheman,Mr.White.(同位语)Idon’tknowaboutthefactthatheisateacher.(同位语从句)得出结论:因此根据它在句中不同的语法功能,名词从句又可分为四类,即:主语从句、宾语从句、表语从句和同位语从句。三.引导名词性从句的连接词:单词词义在词中所充当的成分连词that//if/whether是否/连接代词what(ever)(无论)什么主、宾、表which(ever)(无论)哪个主、宾、定who(ever)(无论)谁主、、宾、表whom(ever)(无论)谁宾whose谁的定连接副词when什么时候状where在哪里状why为什么状how怎样状1、连接代词:who,whoever,whose,whom,whomever,what,which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。Hedid________hecouldtosavethedrowninggirl.__________breaksthelawshouldbe1punished.Itisgenerallyconsideredunwisetogiveachild________heorshewants.A.howeverB.whateverC.whicheverD.whenever______broketheglassyesterdayisnotclear.2、连接副词:when,where,why,how。有词义,在从句中担任成分,作状语。Parentsarethoughttounderstand_______importanteducationistotheirchildren’sfuture.Thatis_______Ididn’tattendthemeeting.3、连接词:that,whether,if,asif,asthough。that无词义,在从句中不担任成分,有时可省略;if(whether),asif虽有词义,但在从句中不担任成分。Idon’tcareabout__________youhavemoneyornot.Theproblemis__________Tomisabletoarriveontime.__________themeetingwillbeheldhereisnotdecidedyet.Itlooks__________itisgoingtorain.Thetruthis__________hedidn’tcomefortheconcert.__________theearthisroundistrue.四.名词性从句的类型:1.主语从句:在复合句中作主句的主语。连接词有that,whether;who,what,which;when,where,how,why等。如:________________________(他们是如何募集到这些钱)remainsaproblem.________________________(我们找不到回家的路)wasreallybadnews.________________________(任何第一个来的人)willgettheticket.___________________(他会去哪里)isnotclear.注意:1.为避免主语冗长,句子头重脚轻,经常用it作形式主语,主语从句放在后面作真正的主语。Thatlighttravelsinstraightlinesisknowntoall.=____isknowntoall______________________________.记住以下it作形式主语,that引导真正的主语从句的句型:It’snowonderthat…难怪…/It’sapity/afact/acommonknowledge(众所周知)/commonsense(…是常识)/goodnews…(是个好消息)that…It’slikely/possible/important/necessary/clear/obvious(很明显)/...