Grammar主語從句康樂中學(xué)曹雪蓮SubjectClause

主語從句Whatcanyouseeonthescreen?WhatIcanseeonthescreenis……are……Whatdotheywant?Whattheywantis/are……Whatdoesheneed?Whatheneedsis/are……remainsamystery.Whoheisremainsamystery.Whattheboyisthinkingaboutremainsamystery.Whichroadhe

willchooseremainsamystery.…remainsamystery.Where/HowIwillgoremainsamystery.Whydinosaursdisappearedremainsamystery.WhatIcanseeonthescreenisapig.

Whatheneedsarenewclothes.

Whoheisremainsamystery.

Whichroadhewillchooseremainsamystery.

Where/HowIwillgoremainsamystery做主語用的名詞性從句，因其在復(fù)合句中做主語，又稱主語從句.

一.概念Whatheneedsarenewclothes.Thathewillcometolanzhousurprisedme.二.連接詞1.從屬連詞：that，whether.1)that引導(dǎo)主語從句只起引導(dǎo)作用，本身無實際意義，在主語從句中不充當(dāng)任何成分，但不能省略。

Thatshelefthimcuthimtotheheart.Thathewillcomeiscertain.2)whether引導(dǎo)主語從句時，有實際的意義（“是否”），但不做句子的任何成分。

Whetheritwillpleasethemisnoteasytosay.Whethershe’scomingornotdoesn’tmattertoomuch.2.連接代詞who，what，which,whatever,whichever,whoever

等

Whatseemseasytosomepeopleseemsdifficulttoothers.Whichsidewillwinisnotclear.3.連接副詞when，where，how，why.Whyhediditremainsamystery.Whentheywillstartisnotknownyet.Howhebecameagreatscientistisknowntousall.主語從句可以前置，也可以后置。后置時，用it做形式主語，而把主語從句放在句末。(為避免頭重腳輕這種現(xiàn)象的出現(xiàn)）

三.位置Whatheneedsarenewclothes.Itisapitythathecan'tcometolanzhou

.1.It+be+adj.+that從句四.it做形式主語時，主語從句的結(jié)構(gòu)ItistruethatItoldhereverything.Itiscertainthatshewillfailinherexam.2.It+be+名詞或名詞詞組.+that從句Itisapitythatwecan’tgo.ItisanhonourthatIwasinvitedtoattendthemeeting.3.It+be+過去分詞.+that從句ItissaidthatMr.GreenhasarrivedinBeijing.ItisreportedthatChinahassentanothermanmadesatelliteintospace.常用的句型有：1.Itissaidthat...2.Itisreportedthat...3.Itisbelievedthat...4.Itisknowntousallthat...4.It+seems/happened+that從句Itseemsthatshedoesn'tlikehermathteacher.IthappenedthatIwasoutthatday.5.It+doesn'tmatter(makesnodifference）+主語從句Itdoesn’tmatterwhethershewillcomeornot.Itmakesnodifferencewhereweshallhavethemeeting.Whatyouleft

are

onlyseveralold

books.Whatyousaid

is

ofgreatimportance.1.“if”引導(dǎo)主語從句時，應(yīng)該用it做形式主語，主語從句放在句末，其余情況應(yīng)由“whether”引導(dǎo)。3.主語從句的“that”一般不能省。4.“what”引導(dǎo)主語從句時，謂語動詞：1）常與其后的名詞作表語一致2）根據(jù)句子的語境而定。2.主語從句中用陳述語序注意：Practice___hemadeanimportantspeechatthemeetingwastrue.

A.ThatB.WhyC.WhatD.How2.___we’llgocampingtomorrowdependsontheweather.AIfBWhetherCThatDWhere3.___isknowntousall___Americaisadevelopedcountry.A.Which,thatB.As,whatC.It,thatD.It,what4.It’sknowntousall___aformofenergy.A.waterisB.thatwaterisC.iswaterD.thatwaterto5.Itworriedherabit___herhairwasturninggray.A.whetherB.thatC.whatD.when

1.Whereshallwespendtheholidayisn’tdecided.2.Youhavemadeamistakeisafact.3.Thatiscertainthatwecanwin.4.Nomatterwholeavestheroomlastoughttoturnoffthelights.5.Ifthepolicemenwillcomeisnotcertain.weshallThatyouhaveItisWhoeverwhether改錯練習(xí)6.Itissaythathewasafamouswriter.7.Itisseemedthatitisgoingtorainsoon.8.That

isafactthatshewonthefirstplace.9.Wholeavestheroomlastoughttoturnoffthelights.10.Itisimportantwhatastudentlearnsaforeignlanguage.saidseemsItWhoeverthatSUMMARY1.引導(dǎo)主語從句的詞有連詞that,whether；連接代詞who,whose,whom,whoever,what,which等；連接副詞where,when,whenever,wherever,how,why等。2.有時用it作形式主語，將主語從句后置,這樣做是為了避免句子頭重腳輕。3.常用句型如下：It+be+名詞+that從句It+be+形容詞+that從句It+be+動詞的過去分詞+that從句It+seems/happens+that從句Homework一.ReviseSubjectClausewelearnedtoday.二.翻譯句子1.我喜歡的東西是籃球。2.湯姆要來我們學(xué)校讓我們