微課課件名詞性從句

微課課件名詞性從句名詞性從句NounClausesThefirstperiodGrammarandusage學習目標：1.Learnwhatisanounclauses;2.Learnthedifferencesbetween“whether”and“if”3.Learnthedifferencesbetween“that”and“what”.

觀察以下句子Hisjobisimportant.Whathedoesisimportant.主語Thisishisjob.Thisiswhathedoeseveryday.表語｛｛Step1：Idon’tlikehisjob.Idon’tlikewhathedoeseveryday.賓語Idon’tknowabouttheman,Mr.White.Idon’tknowaboutthefactthatheisateacher.同位語｛｛什么叫名詞性從句？名詞性從句的功能相當于名詞詞組,它在復(fù)合句中能擔任主語、賓語、表語、同位語等因此根據(jù)它在句中不同的語法功能，名詞性從句又可分為主語從句、賓語從句、表語從句和同位語從句。

名詞性從句

nounclause

主語從句subjectclause

賓語從句objectclause

表語從句predicativeclause

同位語從句appositiveclausePractice:consolidation

辨析句子1.ThatIcanpaybackthehelppeoplegivememakesmehappy.2.Shebelievedthathehadnottoldherthetruth.

3.Theconductorhasmadeitclearthatnobuseswillberunning.賓語從句主語從句賓語從句Practice:consolidation

辨析句子4.Theproblemiswhetherwecanfinishitintime.5.Theideathattheyshouldtryasecondtimeisworthconsidering.表語從句同位語從句Step2

名詞性從句的引導(dǎo)詞可分為三類：

1.連接詞：2.連接代詞：3.連接副詞：

名詞性從句的引導(dǎo)詞：連接詞：that、if、whether不作成分無意義2.連接代詞

：who、whom、whosewhat、which,whoever,whomever,whatever,whichever3.連接副詞：when、where、why、howwhenever,wherever,however“是否”作主/賓/表作狀語if和whether的選用？名詞性從句連接詞的選用Step3:“whether”和“if”區(qū)別只能用whether不用if的情況：1.與不定式連用時2.與or或ornot連用時3.引導(dǎo)主語從句，表語從句，同位語從句4.引導(dǎo)介詞后的賓語從句時1.We’reworriedabout________heissafe.

2.Idon’tknow___________heiswellnow.

whetherwhether/ifPractice：3.Thequestionis______itisworthdoing.A.ifB.whetherC.whichD.what名詞性從句連接詞的選用

that和what的選用？Step4:that和what在定語從句和名詞性從句的區(qū)別that

定語從句：指代先行詞，在從句中可作主賓表

名詞性從句：不作任何成分沒有任何意義

what

what不用于引導(dǎo)定語從句what在名詞性從句中可作主賓表

1.______hewantsisabook.2.______hewantstogothereisobvious.3.Theresultis____wewonthegame.

4.Ihavenoidea_____hedidthatafternoon.Practice3:Fillintheblankswith“that”or“what”.WhatThatthatwhatStep5:其它連接代詞和副詞的使用主要根據(jù)名詞性從句中的具體意義,正確的選擇who、which、when、where、why、how等連接詞，這些連接詞既具有疑問含義，又起連接作用，同時在從句中充當各種成分。Practice:.Thisis______Ileftmyglasses.where這就是我落下眼鏡的地方。

Summary：1.Learnwhatisanounclauses.2.Learnthedifferencesbetween“whether”and“if”.3.Learnthedifferencesbetween“that”and“what”.Consolidation:______youdon’tlikehimisnoneofmybusiness.A.WhatB.WhoC.ThatD.Whether2.Thecityisnolonger____itusedtobe.A.thatB.whatC.whichD.when解題技巧：一想需要引導(dǎo)詞引導(dǎo)什么從句二想需要引導(dǎo)詞擔當什么成分1.---Ithinkitisgoingtobeabigproblem.---Yes,itcouldbe.---Iwonder______wecandoaboutit.A.ifB.howC.whatD.that2._____shesaidsuggestedthat