Unit5 Grammar名词性从句名师课件付蓉

NounClauseWhatYuanLongpingreallycaredaboutwasnotmoneyorcelebrity.YuanLongpingrealisedthatlargerfieldswerenotthesolution.ThefactthatDr.Yuandedicatedallhislifetoagriculturetouchedus.表语从句宾语从句Thesolutionwasthatfarmersneededtoboostyieldsinthefieldstheyhad.同位语从句主语主语从句

名词性从句名词性从句的引导词：that(无意义；但不省)if、whether(不充当句子成分，只起连接作用,“是否”)asif,asthough、because(多用于表语从句)who/whoever、what/whatever、which/whichever、whom、whose作主/宾/表/定When/whenever、where/wherever、how/however、why.作状语从属连词连接代词连接副词1)Thatshelefthim

hurthimsomuch.2)Whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.3)

Whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.4)Whoeversolvesthepuzzle

canreceivetheaward.5)Whenthesewheatfarmerswilljointhispilotexperimentremainsanunansweredquestion.6)Howthiscouldbedonewasachallengingquestionatthetime.在句子里担当主语的从句叫做主语从句。Observeandanalyzethat只起引导作用，无意义，但不省。1._______impressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.2.Thelimitsofaperson’sintelligence,generallyspeaking,arefixedatbirth,but________hereachestheselimitswilldependonhisenvironment.(安徽卷)3.Everyyear,_________makesthemostbeautifulkitewillwinaprizeinthekiteFestival.（北京卷）

4._________LiBai,agreatChinesepoet,wasborn

isknowntothepublic.（江苏卷）

5._____hehadanimportantconferencetoattendthenextmorningoccurredtohim.(湖北卷)WhereHaveatryThatwhetherWhatwhoever=Itoccurredtohimthathehadanimportantconferencetoattendthenextmorning.

Ⅱ.用it作形式主语的常见结构：Itisclear/obviousthatItislikelythat

当主语从句太长，为了避免头重脚轻，常用it作形式主语，而把主语从句后置。常有以下句型：①Itbe+形容词+that…常用于该句型的形容词有clear,obvious,natural,likely,possible,necessaryetc.①_____________________（很清楚）chargesvaryaccordingtosize.②______________(有可能)thedriverwon’tpickyouupattheairport.

②Itbe+名词（词组）+that…常用于该句型的名词（词组）有apity,ashame,goodnews,afact,anhonor,awonder,nowonder

Ⅱ.用it作形式主语的常见结构：①___________(是个遗憾)yourparentsdidn’tpermityoutogowithus.②_________________(难怪)you’veachievedsuchagreatsuccess.

Ⅱ.用it作形式主语的常见结构：Itisestimatedthat（should）beTip1当过去分词表示建议，要求，命令等词时，名词性从句应该用虚拟语气，即(should)do

③Itbe+过去分词+that…常用于该句型的过去分词有said,believed,reported,thought,expected,decided,announced,suggested,hopedetc.1._______________________(据估计)about60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains.2.Itissuggestedthatthework______________donewithgreatcare.

④It+不及物动词（短语）+that…常用于该句型的不及物动词（短语）有seem,turnout,happen,appear,occurItoccurredtomethatItturnedoutthatIthappenedthat①___________________(我突然想起)howdifficultitwasforawomantogetmedicaltrainingatthattime.②__________________（结果是）ourassumptionwaswrong.③_________________（碰巧）hewasoutthatday.据说明年高一学生要学新教材.事实是他们靠自己完成了所有的任务.3.碰巧他们已经参加过军训了.4.众所周知,好的身体是第一财富.Itwasafactthattheyfinishedalltheworkbythemselves.Ithappenedthattheyhadhadtheirmilitarytraining.Itiswell-knownthatgoodhealthisthefirstwealth.=Whatiswell-knownisthatgoodhealthisthefirstwealth.5.我们应该养成好的学习习惯，这很重要.Itissaidthattheseniorstudentswilllearnthenewtextbooknextyear.Application:Itisimportantthatwe(should)formagoodhabitofstudying.1.(2018·天津卷)Thegoldmedalwillbeawardedtowhoeverwinsthefirstplaceinthebicyclerace.2.(2017·天津卷)SheaskedmewhetherIhadreturnedthebookstothelibrary,andIadmittedthatIhadn’t.3.(四川卷)Ourteachersalwaystellustobelieveinwhatwedoandwhoweareifwewanttosucceed.4.(山东卷)We’veofferedherthejob,butIdon’tknowwhethershe’llacceptit.5.Weweresurprisedthathelostthegame.在句子里担当宾语的从句叫做宾语从句。宾语从句常位于及物动词、动词短语、介词、表语形容词之后。Observeandanalyze此类表语形容词有:afraid、pleased、happysatisfiedanxioussureetcWehavemade

that

aforeignlanguageisusefulweaponinthestruggleoflifeclear.英语有句尾重心的原则IconsiderthatweshouldlearnEnglishwellnecessary.宾语宾补consider、find、think、feel、make、take等动词常带宾语补足语,这时要用形式宾语it,宾语从句放到宾补之后Wehavemadeitclearthataforeignlanguageisusefulweaponinthestruggleoflife.Iconsideritnecessary

thatweshouldlearnEnglishwellit不能漏从句后移

用it作形式宾语的常见结构：Ijusttookthathewouldalwaysbehereforgranted.Ijust

_____________________thathewouldalwaysbehere.2.Shehas_________________everyoneshouldwriteacomposition.(讲清楚了)3.我们觉得互相帮助是我们的责任.We___________________weshouldhelpeachother.4.如果你能考虑我的申请，我将感激不尽。I’d______________ifyoucouldtakemyapplicationintoconsideration.5.我确保你不在的时候好好照顾他。(seeto)Ishall____________heistakengoodcareofwhenyouareabsent.

tookitforgranted

madeitclearthat

feelitourdutythat

seetoitthatappreciateitApplication:在句子里担当表语的从句叫做表语从句，表语从句常位于系动词后面。ObserveandanalyzeAnothertheorywasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.2.ThequestioniswhetherwecanfinishtheexperimentbyFriday.3.WhatJohnSnowwasdeterminedtofindoutwaswhythecholeraoutbreakwassosevere.4.TheexactplacesSnowmarkedonthemapwerewhereallthedeadpeoplehadlived.that只起引导作用，无意义，但不省。表语从句不用ifItseemedasifallthetheorieswereuseful.Fromspace,theearthlooksblue.Thisisbecauseabout70percentofitssurfaceiscoveredbywater.

Thatwashow

theywonthematch.Thisiswhyshegotupsoearlythismorning.●这是因为…●这就是…的原因●这就是…的方法其他连接词引导的表语从句◆Thisisbecause…◆Thisiswhy…◆Thisishow….Hewasabsentfromthemeeting.That’sthefact.Isheastudent?That’smyquestion.WhenwillweleavefortheIsland?That’swhatIwanttoknow.Whommustoureducationserve?That’sthemostimportant.

Thefactisthathewasabsentfromthemeeting.

Myquestioniswhether

heisastudent.

从句一律陈述语序

WhatIwanttoknowiswhenwe’llleavefortheIsland.

Themostimportantiswhomoureducationmustserve.标点符号Combineeachpairofsentences☆Whatkeepsthemfromdoingsoisthefactthatchemicalfarmingservesthehighdemandforfoodaroundtheworld.☆Ihavenoidea

whetherheagreestotheplanornot.

☆Imadeapromisetomyselfthatthisyear,myfirstyearinhighschool,wouldbedifferent.☆Whenthenewscamethatthewarbrokeout,hedecidedtoserveinthearmy.Observeandanalyze在句子里担当同位语的从句叫做同位语从句，说明该名词的具体内容。Explainthenoun分隔式同位语从句分隔式同位语从句被修饰词常有:fact,news,hope,opinion,order,question,problem,belief,truth,theory,decision,discovery,conclusion,promise,rumor,fear,thought,suggestion,plan,idea,information......1.Wewereexcitedatthenews.Ourfootballteamhadwonathirdmatch.

Wewereexcitedatthenewsthatourfootballteamhadwonathirdmatch.2.Theyhavemadeanewplan.Anotherexperimentbuildingwillbeputupbesidethelibrary.Theyhavemadeanewplanthatanotherexperimentbuildingwillbeputupbesidethelibrary.3.Theyhadthequestion.Couldhepassthefinalexam?Theyhadthequestionwhetherhecouldpassthefinalexam.4.Whodidthedamagedcomputerbelongto?Noonehadanyidea.Noonehadanyideawhothedamagedcomputerbelongedto.CombineeachpairofsentencesGroup1:Thefactthattheyoungmanhadbeenaprisoner

astonishedher.Thefactthatwasunbelievableastonishedher.Group2:Wewereexcitedaboutthenews(that)hehadtoldus.Wewereexcitedaboutthenewsthathehadpassedtheexam.

Furtherthinking：同位语从句与定语从句区别：11.定语从句对先行词起_________的作用；同位语从句具体说明它_________的作用。22.that在定语从句中_______句子的成分;that在同位语从句中________成分，但_______省略。修饰限制补充说明担任不担任不可以Whetherhewillhelpustackletheproblemisdoubtful.

Ⅲ.使用名词性从句的注意事项

：一、语序二、

主谓一致①Whenweshallhaveoursportsmeeting_______notbeendecided.②Whatastronautsneedinthespaceship_______oxygen.③Whatthechildrenintheareastarvefor________books.hasisareTip2主语从句要用陈述句语序。

Tip3:

单个从句做主语，谓语动词一般用单数。但what引导的主语从句作主语时，谓语动词应和表语的名词一致。④Whentheywillstart

andwheretheywillgo

_______notbeendecidedyet.⑤Whenandwherethemeetingwillbegin_____notbeendecidedyet.havehas

Ⅲ.使用名词性从句的注意事项

：Tip4:

由and连接两个或两个以上的主语从句做主语，谓语动词用复数。Tip4:由两个或两个以上连接词引导一个主语从句，谓语动词用单数。下列情况只能用whether1.Whetherthemeetingwillbegivenisaproblem.——当主语从句位于句首时，只用whether2.Theproblemiswhetherthemeetingwillbegiven.3.Ihavenoideawhetherthemeetingwillbegiven.——引导表从，同位语从句时4.Itdependson

whethershewillcome.——介词后只用whether;5.Idon’tknowwhetherheislyingornot.——“whether…ornot“

三、

whether/if

在名词性从句中的区别用法whetherif引导不位于句首的主语从句引导位于句首的主语从句引导表语从句、同位语从句作介词的宾语直接与ornot连用

Predictingtheending√√√√√√××××whether与if

引导名词性从句连接词1.从属连词2.连接代词3.连接副词Nounclause类型和功能1.主语从句（主语）2.宾语从句（宾语）3.表语从句（表语）4.同位语从句（同位语）注意事项1.陈述语序2.主谓一致3.whether/if区别SummarizeDefinition:名词或名词短语可以在句中充当主语、表语、宾语、同位语。当这些名词或名词短语由一个句子替代时，就是名词性从句。名词性从句是在句子中起名词作用的句子。根据在句中不同的语法功能，可以分为四类。1.[2020.全国Ⅱ卷]It’sbeenreported__________76%employeesinsomewesterncountriesareusingemojisatwork.2.(2019全国卷Ⅰ)Whiletheyarerarenorthof88°，thereisevidence________theyrangeallthewayacrosstheArctic,andasfarsouthasJamesBayinCanada.3.(2018全国卷Ⅲ)I’mnotsure________ismorefrightened,meorthefemalegorilla(大猩猩)thatsuddenlyappearsoutofnowhere.4.[2020.江苏卷]Itisnotaproblem________wecanwinthebattle;it’sjustamatteroftime.5.[2019.全国Ⅰ卷]_______youneedisagreatteacherwholetsyoumakemistakes.6.(2020全国新高考I）Writeapoemabout________courage,determination,andstrengthhavehelpedyoufacechallengesinyourlife.7.(2020·北京)SothenexttimeIseethatpersonIalsoseethenameonhisorherface,andthatis_________Ineverforgetaname.thatwhetherWhathowConsolidation:thatwhowhy1.__________________(据报道)themurdererwasshottodeathonthescene.2.Whatdoctorsdoubtis________________________(是否会苏醒过来)fromthisseriousdiseaseornot.3.________________________________________(袁隆平院士的去世)madethewholecountrydepressed.4.Thereisstillagreatchance_______________________________(我们能够弥补失去的时间).

5.Someexpertsdemandedstrongly