Unit5 名词性从句课件-高中英语人教版（2019）选择性必修第一册

高中英语Unit5WORKINGTHELAND名词性从句

名词在英语句子中可以充当主语，宾语，表语和同位语；名词性从句其实就是用从句充当一个名词的作用，在更大的句子中充当主语，宾语，表语和同位语，这便有了主语从句，宾语从句，表语从句和同位语从句。主语从句的定义：在句中充当主语的从句叫做主语从句。Myjobisimportant.WhatIhavedoneisimportant.主语引导名词性从句的连接词有从属连词、连接代词和连接副词。

从属连词（不做成分）that、whether/if连接代词（主语，宾语，表语或定语）who,whoever,whom,whomever,what,whatever,which,whichever,whose,连接副词（状语）when,whever,where,wherever,why,how,however知识点：引导名词性从句的连接词知识点一：从属连词：that、whether、if在引导名词性从句中只起引导作用，且不充当任何成分。1.Thatpricewillgoupiscertain.2.Itdoesn’tmatterwhether/ifMarywillcomeornot.that不做成分，无意义whether/if不做成分，意为“是否”1.______

Ihadwonthematchmademyparentsexcited.2.______shewillagreewithmedoesn'tmatter.3.Iwonder_____theanswerisright.Thatwhetherif知识点二：连接代词：who,whoever,whom,whomever,what,whatever,which,whichever,whose在引导名词性从句中不仅起连接作用，还充当成分(主宾表定)。1.Whowillattendthematchhasnotbeendecided.2.Don’taskaboutwhatthemeetingisfor.3.Whoeverdoesbestwillgettheprize.who引导的主语从句what引导的宾语从句whoever引导的主语从句1._____myteachersaidencouragedus.2._____willbesenttoattendthemeetinghasnotbeendecided.3.________shedidwasright.4.________comestomyclasswillbewelcome.5.Itmadeussad_____asmallhousetheyhad.6.________youinviteiswelcome.WhatWhoWhateverWhoeverwhatWhomever知识点三：连接副词：when,whever,where,wherever,why,how,however在引导名词性从句中不仅起连接作用，还充当成分(状语)。1.Where

Lucycomesfromisunknown.

2.WhyMr.Smithislateforthemeetinghasnotbeenfoundout.where引导的主语从句why引导的主语从句1._________thelostchildwentisstillapuzzle.2.______hewillbebackdependsontheweather.3.Nobodycanexplainthething_____hesuddenlycried.指出画线句子是什么从句，引导词在从句中作什么成分？4.Tellmewhyyoudon’tlikeschool.5.Whereapersonlivesdoesn’tmatter.6.ThatiswhyTomturnedmedown.WhereverWhenwhy宾语从句，why在从句中作原因状语主语从句，where在从句中作地点状语表语从句，why在从句中作原因状语知识点四：It作形式主语在引导名词性从句中为了避免头重脚轻，通常用it作形式主语，用以保持句子的匀称。1.Whetherhewillagreewithmedoesn’tmatter.

2.Itdoesn’tmatterwhetherhewillagreewithme.whether引导的主语从句it作形式主语，真正的主语为whether引导的从句形式一：Itbeadj.that从句用于该句型中的形容词常见的有：necessary,right,important,obviuos,possible,likely,certain等eg.Itisobviousthatwearesuretowinthematch.ItisimportantthatweshouldlearnEnglishwell.Itisessentialthatweshouldestimatethepriceofthecoat.形式二：Itben.(名词词组)that从句用于该句型中的n.(名词词组)常见的有：apity,anhonour,nowonder,afact,awonder,asurprise,goodnews等eg.Itisapitythatyoudidn’tpasstheexam.Itisnowonderthatyouhavecaughtacold.Itisgoodnewsthathehasrecovered.形式三：Itbe过去分词that从句常见的该句型有：

Itbesaidthat...(据说...)Itbereportedthat...(据报道...)Itbesuggestedthat...(人们建议...)Itbehopedthat...(人们希望...)Itbebelievedthat...(据查明...)1.Itisreportedthatmorethan100workerswerekilledintheaccident.2.Itisconsideredthatwomenlivelongerthanmen.3.Itispointedoutthattheprofessorhasalreadyworkedoutthedifficultproblemsinmathematics.形式四：Itbe特定动词that从句常见的该句型有：

Ithappensthat...(碰巧...)Itoccurredtosb.that...(某人突然想起...)Ithitsb.that...(某人突然想起...)Itseemsthat...(看起来...)

1.IthappenedthatJohnwenttoschoolwhenIcalledhim.2.ItoccurredtomethathehadbeentoBeijing.3.Itseemsthatmyheadteacher,Mr.Smith,isgoingtotheoffice.1.____isafactthatChineseisbeingacceptedbymoreandmoreforeignfriends.2.Itisuncertain_______myuncle

willcometomygrandpa’sbirthdaypartyornot.3._______hemadeanimportant

decisionatthemeetingwastrue.4.____isknowntousallthatChinaisadevelopingcountry.5.Everyyear,_______doesbestinthisgamewillwinthefirstprize.随堂练习ItwhetherThatItwhoever1.__________________(可能)mydadwillgo

toBeijingtomorrow.2.__________________(很明显)

thiswayisuseful.3._______________(很遗憾)mybrother

didn’tpasstheexam.4.____________________(据报道)

20kidswerekilledintheaccident.5._____________________(建议)weshouldeatmorevegetableanddomoreexercise.6.__________________(碰巧)Ic