初三英语第一学期Unit5ItmustbelongtoCarla一.本周教学内容：Unit5ItmustbelongtoCarlaHello,everyone!Now,we’regoingtostudyUnit5.Inthisunit,we’lltalkaboutmodalverbs,likemust,can,could,may,mightandcan’t.Ithinkyoushouldlearnormasterthefollowingthings:I.Vocabularyauthor,toy,picnic,band,drop,optometrist,appointment,algebra,crucial,chase,creature,extremely,worried,neighbor,garbage,mystery,director,escape,ocean,finger,stone,ant,pour,dishonest,bark,wake,pretend,attemptbelongto属于toycar玩具车atthepicnic在野餐symphonyhall交响音乐厅trytodosth试图，努力做becauseof因为thefinalexam期末考试count30%to…计入…的30%Chinese-Englishdictionary汉英词典inthesky在天空中catchabus赶公共汽车inourneighborhood在我们社区havefun娱乐nextdoorneighbor隔壁邻居beworried担心，焦虑theremustbe…一定有…toomuch太多escapefrom从…逃出becarefulof小心，注意useup用光，用尽II.SentencepatternsWhosebasketballisthis?ItmustbeMary’s./ItmustbelongtoCarla./ItmightbelongtoAlice.WhoseFrenchbookisthis?ItcouldbeNing’s.Ithashernameonit.ItmightbelongtoAlice.ShestudiesFrench.WhoseT-shirtisthis?Itcan’tbeJohn’s.It’smuchtoosmallforhim.Hemightberunningtocatchabus.Hecan’tberunningforexercise.III.Languagepoints1.ItmustbelongtoCarla.ItcouldbeAli’s.ItmightbelongtoAlice.Itcan’tbeJohn’s.在这四句话中，我们可以看到几种我们以前曾经学过的情态动词(modalverbs)。在本单元，我们主要是分析和学习使用一些情态动词在表示推测时的用法。*must:showthatyouthinksomethingisprobablysure.(90%)must的语气最为强烈，它是以事实为依据而进行的推测，可能性最大。Listentothesongs!Theymustbeveryhappy.当must用来表示推测时，它的否定形式是cannot，而不能用mustnot。*might/could:showthatyouthinksomethingispossiblesure.(20%~80%)could表示以事实、理由为依据而进行猜测，用来指现在的可能性，但语气没有must那么肯定。could的语气比can更委婉。Thiscanbeyourgoodchance.TheFrenchbookcouldbelongtoMary.ShestudiesFrenchnow.may/might在表示推测时，语气比较弱，没有那么肯定，一般没有足够的客观依据，说话人对事情把握不大。ThatmightbePeter’sT-shirt.*may和might不用于提问是否可能的疑问句，表示这种意思时应该用can或could。*can’t:showthatyouarealmostsuresomethingisnottrue.(0%)表示没有可能或不可能，语气肯定。ThatT-shirtcan’tbemine.That’smuchtoobigforme.*belongto是属于的意思Thecarbelongstomyuncle.这句话还可以说：Thecarismyuncle’s.当表述某物属于某人时，注意这两句的不同。belongto后直接加人名或人称代词宾格，而第二句be动词后要用名词所有格形式。Thebookbelongstome./Thebookismine.TheT-shirtbelongstoTom./TheT-shirtisTom’s.Doesthecarbelongtoyouruncle?Whodoesthecarbelongto?2.sectionA2c*She’stheonlyonewho'sstudyingFrench.她是唯一一个正在学法语的。who’sstudyingFrench是定语从句，修饰theonlyone.They’rebothgoingtotheconcerts.*both表示两者都,它的位置一般在be动词后，实义动词前。Wearebothinterestedinmusic.Theybothlikeplayingbasketball.3.It’smuchtoosmallforhim.(GrammarFocus)muchtoo修饰形容词，表示太…Theboxismuchtooheavyforme.Ican’tcarryit.toomuch修饰不可数名词Becareful!Thereistoomuchsnow.4.sectionA3a*Ifyouhaveanyideawhereitmightbe,pleasecallme.any除了用于否定句、疑问句中，还用于if引导的条件从句中，表示“若干的”Ifyouhaveanyinterestingbooks,pleaselendmesome.*IthinkIdroppeditduringtheconcertsoitmightstillbeinthesymphonyhall.drop动词，意思是掉下，掉落。Shedroppedthebookonthefloor.still是副词，仍然，仍旧，位置在句中；否定句时，位于否定结构之前Icanstillseehim.Istilldon’tunderstand.*Ihaveatestonalgebratomorrow.on...
