高中英语Unit4《thescienceofthestars》教案2新人教版必修3

用心爱心专心-1-Unit4Astronomy:thescienceofthestarsPart1TeachingDesign第一部分教学设计Period2AsamplelessonplanforLearningaboutLanguage(Nounclausesasthesubject)IntroductionInthisperiodstudentswillbefirsthelpedbytheteachertodiscoverandlearntousesomeusefulwordsandexpressions,andthentodiscoverandlearntousethefollowingusefulstructures:nounclausesasthesubject.Thefollowingstepsofteachingmaybetaken:warmingupbydiscoveringusefulwordsandexpressions，learningaboutgrammar，readingmoreonsubjectclause，andclosingdownbydoingexercises.ObjectivesTolearnaboutnounclausesasthesubjectTodiscoverandlearntousesomeusefulwordsandexpressionsTodiscoverandlearntousesomeusefulstructuresProcedures1.WarmingupbydiscoveringusefulwordsandexpressionsTurntopage28anddoexercises1,2，3and4first.Checkyouranswersagainstyourclassmates’.用心爱心专心-2-2.LearningaboutgrammarIntroductiontoNounClausesAnounclauseisaclausewhichdoestheworkofanouninasentence.Itisagroupofwordscontainingasubjectandaverbofitsown.Itcanbeusedasasubject,predicatenominative,directobject,appositive,indirectobject,orobjectofthepreposition.Usuallynounclausesbeginwiththat,what,where,when,who,whom,which,whose,how,why,whether,etc.Examples:Hesaidthathewouldnotcome.Wewereallcurioustoknowwhathehaddone.Nobodyknowswhentheregistrationwillbegin.Weallwantedtofindoutwhothewinnerwas.Whomtheywereincontactwithonthedayoftherobberyisofgreatinteresttothepolice.Janeisnotsurewhichuniversitysheshouldapplyfor.Thejudgeshadahardtimedecidingwhosepaintingwasthebest.Howthebabyfellfromthewindowisamystery.Theyaskedtheboywhyhehadhithisclassmate.Whetheryoulikeitornotisnottheissue.UsesofNounClausesNounClausescanbeusedinthefollowingways:a.AsthesubjectofaverbWhyshekeptoncryingpuzzledeveryone.nounclausemainverbb.AstheobjectNobodyknowshowhegotinvolvedinganglandactivitiesverbnounclausec.Asthecomplementoftheverbtobeorpredicative用心爱心专心-3-Whatweareworriedaboutisthathemayhaveanotherheartattack.Thequestioniswhytheycouldescapethroughthefrontdoorwhenthereweresomanyguardsthere.Findthenounclausesinthefollowingsentencesandtellhowtheyareused.(Subject,predicatenominative,directobject,appositive,indirectobject,orobjectofthepreposition)1.Howtheprisonerescapedisamystery.2.Myfeelingisthattherobberywasaninsidejob.3.Everyoneiswonderinghowhecouldjustdisappear.4.Thenewsthathehadescapedfrightenedthewholetown.5.Thepolicehaveofferedwhoeverfindsthestolendiamondsareward.6.Thefamilyhashadnowordaboutwherehemightbe.7.Thatwewerereadytogowasamiracle.8.Givewhoeverwantstogoaridetothegame.9.Thatyouarelosinggroundwasevidentfromthepolls.10.Whoeverinjuredthehandicappedwomanmustbefeelingguilty.Keys:1.Howtheprisonerescaped→subject2.thattherobberywasaninsidejob→predicatenominative3.howhecouldjustdisappear→directobject4.thathehadescaped→appositive5.whoeverfindsthestolendiamonds→indirectobject6.wherehemightbe→objectofthepreposition7.Thatwewerereadytogo→subject8.whoeverwantstogo→indirectobject9.Thatyouarelosingground→subject10.Whoeverinjuredthehandicappedwoman→subject3.学习主语从句一、由what（whatever，whoever）等代词引导的主语从句。用心爱心专心-4-Whattheyareafterismoney.他们追求的是金钱。Whateverwassaidheremustbekeptsecret.这里说的话都应当保密。二、由连词that引导的主语从句。其中that一般不可省略，但若用it作形式主语，that从句后置时，则可省略。为避免头重脚轻，我们倾向用it开头，后接be，seem等。如果句子是疑问形式，就只能用带it的结构。Thatmoneydoesn'tgrowontreesshouldbeobvious.金钱不能从树上长出来是显而易见的。Itisobvious（that）moneydoesn'tgrowontrees.显而易见，金钱是不能从树上长出来的。Hasitbeenannouncedwhentheplanesaretotakeoff？飞机什么时候起飞宣布了没有？注意：1）选用what还是用that引导主语从句要根据关联词在从句中是否担任成分而定。且what（以及whatever，whoever等）引导的主语从句一般不用it作形式主语。Whathesaidistrue.他说的是真的。（what在其引导的主语从句中作宾语。）ThatChinaisagreatsocialistcountryiswellknown.（=It’swellknownthat…）众所周知，中国是一个伟大的社会主义国家。（that在其引导的主语从句中不作任何成分，也无词义，只起连接作用。）2）it引导的强调句与it作形式主语的复合句不可混淆。it引导的强调句是用来对句中某一成分加以强调，其结构为：“Itis（或was）+强调部分+that（或who）…”强调句去掉Itis（或was）…that（或who）…框架后，剩余部分为一个完整的句子。ItwasIthat(who)metMaryinthestreetyesterday.是我昨天在街上遇见了玛丽。(强调主语)3）常见的用it作形式主语的复合句结构：*Itis+形容词（necessary，strange，important，wonderful，possible，likely，等）+that从句，从句中常用虚拟语气。It’snecessarythathewritesomethinginEnglish.他用英语写点东西是必要的。It’sstrangethatshedidnotgotoschoolyesterday.奇怪的是她昨天没去上学。*Itis+名词（afact，apity，nowonder，goodnews，等）+that从句It'sapitythatsheshouldhavesaidso.真遗憾她竟然会这么说。*Itis+过去分词（said，reported，decided，unknown等）+that从句用心爱心专心-5-ItssaidthatourEnglishteacherwillgoabroadnextweek.据说我们英语老师下周要去出国。*It+不及物动词（seems，appears，happens，matters等）+that从句Itseemsthatsheisingreatneedofhelp.看来她急帮忙。4）主语为从句时，一般要用单数谓语动词形式；但如果引导的从句作主语、代表复数概念（常可从表语上看出）时，谓语动词则常用复数形式：Whatweneediswater.我们需要的是水。Whatweneedareusefulbooks.我们需要的是有用的书。三、由连接代词或连接副词（或if,whether）引导的主语从句。Whentheywillcomehasn'tbeenmadepublic.他们什么时候回来还没有宣布。WhetherI’llattendthemeetinghasn’tbeendecided.=Ithasn’tbeendecidedwhether(if)I’llattendthemeeting.我是否参加会议还未决定。4．Closingdownbydoinganquiz1.NounClausePracticeQuiz1)Ihadanaccidentandtookmycartothegarage.Myhusbandaskedmewhere________.A.ismycarB.mycarwasC.mycarisD.wasmycar2)Isittrueallofthecomputerswillshutdownintheyear2010?_______isunbelievable!A.ThatallthecomputerscouldshutdownB.AllcomputerscouldshutdownC.ItisthatallcomputerscouldshutdownD.Shuttingdownofallcomp