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《語法講解_名詞性從句》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、名詞性從句名詞性從句包括主語從句、賓語從句、表語從句和同謂語從句。一、連接詞連接代詞:that,what,who,which,whom,whose,whatever,whoever,whichever等連接副詞:whether,how,why,when,where,wherever等二、連接代詞(除that外)和連接副詞在名詞性從句中都有詞義,它們除了引導(dǎo)名詞性從句外,還在從句中充當(dāng)成分,即做主語、賓語、表語、定語和狀語。Whowillgothereisnotimportant.Whereshehasgonehasn’tbeenknownyet
2、.Idon’tknowwhatIshoulddo.Heaskedwhosedictionaryitwas.Pleasetellmewhenweshalldiscussourworkplan.Ihavenoideahowsoontheyarecoming.要注意以下幾點(diǎn)問題:1、連接代詞‘that’的用法:在名詞性從句中that9無詞義,在從句中不充當(dāng)任何句子成分,只起連接從句的作用,在賓語從句中,that在口語中可以省略。但在引導(dǎo)主語從句時(shí)不能省略。Thathewaschosenmadeusveryhappy.Weheardthenewstha
3、tourteamhadwon.Thetruthisthatheisthebestinhisclass.Hesaid(that)hewouldseemethenextweek.2、引導(dǎo)賓語從句的that可省略,但及物動(dòng)詞后有兩個(gè)賓語時(shí),可省略第一個(gè)that,不省略第二個(gè)that;如有形式賓語時(shí),連接真正賓語的that不能省略。Theymadeitarulethattheygotupatsixeveryday.3、由連詞that引導(dǎo)的名詞從句很少做介詞的賓語,只在except,but,besides介詞后看到,其他一些介詞的賓語從句如果由連詞tha
4、t引導(dǎo),需用it作形式賓語。Thegirlhasnotchangedatallexceptthatsheisnolongersotalkative.Youmaydependonitthattheywillsupportyou.4、whether/if的用法9常用whether而不宜用if的情況:l引導(dǎo)主語從句,置于句首l引導(dǎo)表語從句l介詞后的賓語從句l與ornot連用l引導(dǎo)同位語從句l動(dòng)詞不定式前注意:doubt“懷疑”接賓語從句時(shí),主句為肯定句用whether或if,主句為否定句或疑問句用that。Idoubtwhetheritistrueo
5、rnot.Idoubtifitistrue.Idon’tdoubtthatwhathesaidiscorrect.Doyoudoubtthatwhathesaidiscorrect?三、使用名詞性從句應(yīng)注意的幾個(gè)問題:1)名詞性從句的語序必須是陳述句語序Idon’tknowwhichteamwillwinthematch.Thatiswhyhecamehere.Whoeverwillgoisnotimportant.92)主語從句、賓語從句如果太長(zhǎng),句子常顯得笨重,因此,可把他們移到句子后面,前面用it作形式主語或賓語。Hetookitforg
6、rantedthatwhathehaddonewasright.常用it作形式主語的句型lItbe+形容詞(true,possible,probable…..)+that從句lItbe+名詞詞組(nowonder,apity,anhonor,nosurprise,asecret…..)that從句lItbe+過去分詞(said,reported,thought,believed,notdecided,well-known…….)+that從句lItseems/happens/appears等不及物動(dòng)詞+that從句lItdoesn’tmatte
7、r/makesnodifference…..+連接代詞或連接副詞引導(dǎo)的從句l當(dāng)that引導(dǎo)的主語從句出現(xiàn)在疑問句中時(shí),用it作形式主語。Whomdiditsurprisethatthenaughtyboystudiedhardlater?93)what在名詞性從句中有兩種意思:“什么”或“所……的……”,前者已經(jīng)失去了疑問詞的含義。Idon’tknowwhattheyaredoing.Whatshesaidistrue.Whataretobediscussedatthemeetingwillbeannouncedtomorrow.Theprob
8、lemiswhatweshoulddonext.Letusseewhatwemeanby“matter”.Idon’tknowwhatbooksyou