Unit5WorkingthelandDiscoverUsefulStructures

Inthisclass,youwillidentifyandsummarizetheusesofnounclausesassubjects;use

subjectclausestotalkaboutwhatqualitiesmakeapersonsosuccessful.Circlethesimplesubjectineachsentence.Timeflies.Icecreamisthefavoritedessertofchildren.Thechildreninthefirstrowreceivedbadges.Whywouldababyelephantbeeatingleaves?Whogaveyouthatpresent?Toleavewashiswish.Fromtheceilinghungthechandelier(吊燈).Tallbuildingsandwindyweatherdon’tmixwell.Eatyourdinnerwithaspoon.Drivingtoofastisdangerous.Myfavoriteolderbrother,whojuststartedtenthgrade,rideshisbiketoschool.YouWhatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.Discoverusefulstructures:Subjectclauseswhat在主語從句中充當_______,譯為______主語事情Howthiscouldbedonewasachallengingquestionatthetime.

Whetheritwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.how在主語從句中充當___________,譯為______whether在主語從句中充當_______,譯為______方式狀語怎樣不做成分是否Itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan'shybridstrains,andhisstrainshaveallowedChina'sfarmerstoproducearound200milliontonsofriceperyear.that在主語從句中_______,但不可省略。不做成分WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.主語從句，即在復合句中充當主語成分的句子.what在主語從句中充當_______,譯為______主語事情，東西歸納總結：★主語從句必須有引導詞；主語從句用陳述句語氣。★連詞位于句首不能省略★主語從句大多數(shù)情況下視為第三人稱單數(shù)，但也有例外.★主語從句引導詞的選擇主要是根據(jù)從句的結構和意義來選擇。如果從句的意義和結構完整，則用that。如果從句的意義和結構不完整，則根據(jù)從句的意義和結構選擇相應的引導詞。練一練：用適當?shù)倪B詞填空_____________bagitiscannotbetold._____________Indianeedsisalawtomakelandownershipfairer.Itisnotyetdecided__________________cashcropwillbeproducednextyear.____________________________hesaidwasright.WhoseWhatWhat/Whateverwhich/what比較that/what1._________hewantsisabook.主語從句

2._________hewantstogothereisobvious.主語從句

3._________happenedisnotclear.主語從句4.ThisisthebestTV________ismadeinChina.定語從句5.Thefirstmuseum________hevisitedinChinawastheHistoryMuseum.定語從句that和what的選用：that和what都可引導主語從句。但是，what除起連接作用外，還在主語從句中充當成分，可做從句的主語、賓語、或表語，相當于thething(s)that；而that在主語從句中不充當任何成分，只起連接作用。WhatThatWhatthatthat主語從句考點歸納主語從句連接詞的使用

主謂一致

形式主語結構主語從句的語序陳述句根據(jù)從句結構和意思一般為單數(shù)為了使句子保持平衡，常用it來代替主語從句，而把主語從句放到后面，尤其是連詞that引導的主語從句常用于此種句式中。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+不及物動詞+that從句1.It'slikely/possible/important/necessary/clearthat…很可能/重要的是…/必要的是……/很清楚…2.It'sknown/reported/thought/saidthat…據(jù)說/據(jù)報道…3.Itseems/appears/happensthat…顯然、明顯、碰巧.…4.It'sbeenannounced/declaredthat…已經(jīng)通知/宣布…5.It'snowonderthat…難怪/無疑…6.It'sapity/afact/acommonknowledge(眾所周知）/acommonsaying（俗話說）that…引導主語從句的關聯(lián)詞從屬連詞(不作成分）連接代詞（作成分）連接副詞（作狀語）what,who,whom,whose,which,wh+everthat,whether,when,where,how,why功能連接詞不作成分that,whether作主、賓、表、what,who,whom,wh+ever作定語which,whose,作狀語when,where,why,how缺什么補什么12431.thefactthatthevegetableslookbeautifulontheoutside

2.thethingthatsheisunhappyabout

3.thewaythattheyaregoingtospendtheirretirement

4.thequestionwhethertheycanliveahealthylifeDiscoverusefulstructures:SubjectclausesWhatIhaveforgottenisItWhosehasnotRewritethesentencesusingsubjectclauses1.Wewantedtoknowwherehehadlostthelaptop.2.Thewayinwhichhedidtheexperimentwaspuzzlingtootherpeople.3.Dotheyusetoomanychemicalpesticides?Iworryaboutthismost.Whether________Wherehehadlostthelaptopwaswhatwewantedtoknow..

Howhedidtheexperimentwaspuzzlingtootherpeople.

Whethertheyusetoomanychemicalpesticidesworriesmemost.Workbook4.Peoplearehappytoseethatthelivingconditionsandincomeofthefarmershaveimprovedalot.That_______makespeoplehappy.5.Wehavenotdecidedonthedateforthesportsmeet.When______hasnotbeendecidedonyet.RewritethesentencesusingsubjectclausesThatthelivingconditionsandincomeofthefarmershaveimprovedalotmakespeoplehappy.

Whenwewillhavethesportsmeethasnotbeendecidedonyet.Makesentencesusingsubjectclauseswiththehelpoftheclues.1.hesaid/reasonable2.shewillaccepttheinvitation/notclearyet3.theanimalsaremovingto/notexactlyknown4.youhaverecoveredfromyourillness/agreatrelieftous.5.hehasbecomedistantrecently/myconcernWhathesaidisreasonable.Wheretheanimalsaremovinghasnotbeenexactlyknown.Thatyouhaverecoveredfromyourillnessisagreatrelieftous.Whethershewillaccepttheinvitationisnotclearyet.It'smyconcernwhyhehasbecomedistantrecently.Combineeachpairofsentencesusingthewordinbrackets.1.Canwecontrolpestswithoutcausinganyilleffects?Thisstillremainsaquestion.(Whether)2.Agricultureisthefoundationofourcountry.Thisiswellknown.(It)3.Someless-developedcountriesaresufferingfoodshortage.Itisaseriousprobl