SubjectClause主語從句2021/10/101SubjectClause2021/10/102內(nèi)容

主語從句三要素主語從句定義SubjectClause2021/10/103內(nèi)容

主語從句三要素主語從句定義SubjectClause2021/10/104FindouttheSubjectinthefollowingsentences:1.Atreehasfallenacrosstheroad.2.SheisfromChina.3.Tofindyourwaycanbeaproblem.4.Smokingisbadforyou.5.Whatshesaidisnottrue.6.Wheneveryoufinishthetaskiscertainlyallright.名詞代詞不定式動(dòng)名詞句子句子SubjectClauseConclusion:Aclause(subordinateclause)whichservesassubjectofasentencecanbecalledSubjectClause.2021/10/105觀察以下句子，注意主語從句的特點(diǎn)：Thattheearthtravelsroundthesunisa–well-knownfact.Whethertheartistcandoitornotisuncertain.Whyhediditremainsamystery.Whoeverbreaksthelawwillbepunished.SubjectClause2021/10/106內(nèi)容

主語從句三要素主語從句定義SubjectClause2021/10/107SubjectClause2021/10/108主語從句的引導(dǎo)詞從屬連詞：that,whether連接代詞：who(ever),which(ever),what(ever)連接副詞：where(ever),when(ever),why,howSubjectClause主語從句引導(dǎo)詞的選擇主要是根據(jù)從句的結(jié)構(gòu)和意義來選擇：2021/10/1091.連接詞：that;whether如果從句的意義和結(jié)構(gòu)完整，則選用that或whether。-that

本身沒有意義，不作句子成分，只表示從句的開始，位于句首時(shí)，that不能省略. -whether表示“是否”，不作句子成分,位于句首。1）______peoplecutdowntoomanytressdestroyedthebalanceofnature._______wewillgocampingtomorrowdependsontheweather.________thesolidshapewouldlastornotisnotclear._______youwillwinthemedalseemsunlikely.ThatWhetherWhetherThat2021/10/10102.連接代詞：who,which,what（什么，所…的）,whose,whomWhoever/whichever/whatever在主語從句中不含有疑問意義。如果從句的意義和結(jié)構(gòu)不完整，根據(jù)從句的意義和結(jié)構(gòu)選擇相應(yīng)的連接代詞。連接代詞在從句中起名詞性作用，擔(dān)當(dāng)一定成分（主語、賓語、表語等）。SubjectClause1._________willtakepartinthemeetinghasnotbeendecided.2._________studentwillwinfirstisuncertain.3._________Icantunderstandiswhyhehaschangedhismind.4._________failstoseethiswillmakeamistake.5.________

was

said

here

must

be

kept

secret.WhoWhichWhatWhoeverWhatever2021/10/10113.連接副詞：where(ever),when(ever),why,how連接副詞when,where,why,how在從句中作(時(shí)間、地點(diǎn)、原因、方式)狀語。1）___________weshouldleaveitisaproblem.2）___________hewillbebackdependsontheweather.3)__________thishappenedisnotcleartoanyone.4)_________theseGreekstatuesareinaBritishmuseumisanimportantpartofourstorytoday.SubjectClauseWhereWhenHowWhy2021/10/1012總結(jié)做題突破方法三部曲一、首先分清主句和從句二、分析從句缺何種成分三、根據(jù)分析，選擇恰當(dāng)?shù)倪B接詞SubjectClauseeg.____________theywouldsupportuswasaproblemWhether2021/10/1013內(nèi)容

主語從句定義SubjectClause主語從句三要素主語從句的考查難點(diǎn)2021/10/1014主語從句的考查難點(diǎn)主語從句有時(shí)為了使句子結(jié)構(gòu)平衡，避免句子“”頭重腳輕“”，常用it作形式主語代替主語從句，放于句首，而把真正的主語（即主語從句）置于句末。主語從句后的謂語動(dòng)詞一般用單數(shù)形式。

常用句型如下：

（1）It+be+名詞

+that從句

名詞有（nowander,anhonor,apity,afact,ashame,goodnews,asurprise,etc） 1.___________________(遺憾的是)thatwelostthegame. 2.___________________(驚奇的是)thathecheatedintheexam. 3.___________________(事實(shí)是)that

Englishisbeingacceptedasaninternationallanguage. 4.___________________(不足為奇的是)

thatcomputersaretakingovertheworld.ItisnowonderItisapityItisasurpriseItisafactSubjectClause2021/10/1015（2）It+be+形容詞+that從句形容詞有（obvious,true,natural,good,wonderful,funny,nosurprising,possible,certain,likely,fortunate,doubtful,etc） 1._______________(有必要)thatanefficientworker(should)accomplishhisworkontime 2.____________________(重要的是)thatyou(should)thinkbeforeyousayordoanything 3.___________________(很明顯)thatthismeasureiseffective.SubjectClauseItisobviousItisnecessaryItisimporatantthat常含有一個(gè)表示“有必要的”之類的形容詞。在這種結(jié)構(gòu)中，從句應(yīng)當(dāng)“