[語法綜合講解與練習]名詞性從句課件.ppt

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1、名詞性從句NOUNCLAUSESsnowingfox在復合句中起名詞作用的從句叫做名詞性從句。名詞性從句主語從句表語從句賓語從句同位語從句連接代詞who,whom,whose,which,what,whatever,whoever,whichever,whomever連接詞that,whether,if,asif/asthough（不充當從句的任何成分）引導名詞性從句的關聯(lián)詞連接副詞how,why,when,wherehowever,wherever,whenever,how構成的短語，（howmany/much/Long/soon/

2、often…)在名詞性從句中一律用陳述句的語序，即使從句表達的是疑問含義。Theproblemiswhathehasdonetothelittleboy.問題是他對那個小男孩做了些什么。1.主語從句在句中作主語的句子叫主語從句。主語從句通常由從屬連詞that，whether和連接代詞what,who,which,whatever,whoever以及連接副詞how,when,where,why等詞引導。1.that在從句中無詞義，只起連接作用；連接代詞和連接副詞在句中既保留自己的疑問含義、又起連接作用，在從句中充當成分。Thatwemu

3、stmasterEnglishwordsasmanyaspossibleisveryimportant.Whowillwinthematchisstillunknown.WheretheEnglisheveningwillbeheldhasnotyetbeenannounced.Thathestoleabikewastrue.Whathewantstotellusisnotclear.單個的主語從句作主語時，謂語動詞用單數(shù)形式。如果是兩個或兩個以上的主語從句作主語，謂語動詞則用復數(shù)形式。Whereandwhenhewasbornhas

4、notbeenfound.Whenthepersonwasmurderedandwhyhewasmurderedarestillunknown.有時為避免句子頭重腳輕，常用it代替主語從句作形式主語放于句首，而把主語從句置于句末。主句的謂語動詞一般用單數(shù)形式。常用句型如下：1）It+be+名詞+that從句afact,agoodidea,anhonor,amystery,aquestion,apity,ashame,apleasure,awonder,challenge,commonknowledge,fun,progress.Iti

5、sacompletemysteryhowtheprisonerescaped.Itiscommonknowledgethatthewhaleisnotfish.2）It+be+形容詞+that從句Amazing,appropriate,better,certain,clear,evident,good,important,likely,lucky,unlikely,Probable,natural,necessary,plain,possible,true,wrong.Itiscertainthatyoursonwillwininhi

6、sexamination.Itisverydifficultwhatyouadoning.3）It+不及動詞+that從句Appear,follow,happen,matter,occurtosb,seem.Itnowappearsthattheyareinurgentneedofhelp.IthappenedthatIwasnottherethatday.Itsuddenlyoccurredtohimthatthekeysmightbeleftinthecar.4）It+be+動詞的過去分詞+that從句accepted,admit

7、ted,announced,arranged,believed,decided,demanded,estimated,expected,found,hoped,known,noted,pointedout,proved,reported,rumored,said,seen,shown,stressed,suggested,unknown.Itisknowntoushowhebecameawriter.Ithasnotbeendecidedwhowillperformtheoperation.Itmustbekeptinmindthat

8、theoryiscombinedwithpractice.Itisapitythat…it’sashamethat…It’snowonderthat…Itissuggestedthat…It’srequestedthat