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4Be动词的用法教案1、b用Be动词的正确形式填空。1.JaneandTommyfriends.2.Myparentsverybusyeveryday.3.Shemybestfriend.1).只需在be(am,is,are,was,were)后面加上not就行。但要注意缩写形式。如:Iamnotastudent.Youaren’tateacher.Heisn’tagoodman.Iwasn’tastudent.Youweren’tastudent.(isnot=isn’tarenot=aren’twasnot=wasn’twerenot=weren’t)总结:am与not一起时不缩写;is与not缩写为isn’t,arenot缩写为aren’t,2).如:Iamastudent.--------Areyouastudent?Yes,Iam.Heisreadingbooks.--------Ishereadingbooks?No,heisn’t.Thereisanewschoolinmyhometown.-------Isthereanewschoolinyourhometown(家乡)?Yes,thereis.Practice:用be动词的正确形式填空。1. 5. ______ your brother in the classroom? 6. Where _____ your mother? She ______ at home. 7. How _______ your father? 8. Mike and Liu Tao ______ at school. 9. Whose dress ______ this? 10. Whose socks ______ they? 11. That ______ my red skirt. 12. Who ______ I? 13.The jeans ______ on the desk. 14.Here ______ a scarf for you. 15. Here ______ some sweaters for you. 16. The black gloves ______ for Su Yang. 17. This pair of gloves ______ for Yang Ling. 2、助动词be1)be+动词不定式即be+todo,表示"按计划安排将要做某事"。如:ThenewshopisnottobeopeneduntilnextMonday.Marytoldmethatshewastohaveclassatthatnight.\n42)be+goingtodo,表示"打算或将要做某事"。如:Wearegoingtoplanttreesinthepark.Ididn'tknowifshewasgoingtocomehere.begoingto,willdo,betodo都是用来表示将来时,区别如下:1.begoingto表将来a)按计划,安排要发生的事eg.Thebookisgoingtobepublishednextmonth.b)有迹象要发生的事eg.Lookatthedarkclouds,thereisgoingtobeastorm.2.willdo是表意愿eg.Iwillgobackhometomorrow.在说话时突然作出的决定时,一般用will的缩约式’llI’mtired.IthinkI’llgotobed.在有条件从句的主句中,一般不用begoingto,而多用will,如:Ifyoumeetdifficulties,I'llstaywithyouandhelpyou3.betodo表示客观安排或受人指示而做某事eg.WearetodiscussthereportnextSaturday.Iamtoplayfootballtomorrowafternoon.(客观安排,如这儿有场比赛定在明天下午,不去不行,不能由主观决定)I'mgoingtoplayfootballtomorrowafternoon.(主观安排,如我只是和朋友约了明天下午踢足球以消遣时间,可去可不去,可由主观决定)3、Therebe句型therebe句式为:therebe+主语部分+状语部分,表示"某处存在某物",be常用现在时,过去时和将来时等。如:ThereisaparkinSanya.Thereweremanybooksherelastnight.Therewillbeafootballmatchinyourschoolnextweek.注意:Therebe句型中be动词的单复数形式由后面挨近的一项名词的单复数决定,这就是就近原则。如:Thereisapen,twobooksandmanypencilsonthedesk.在本句中尽管有钢笔、书和铅笔,但是由于离be动词最近的一项是单数apen,因此,be动词用单数is。Thereisabookandthreecatsthere.Therearethreecatsandabookthere.针对数量提问的特殊疑问句的基本结构是: Howmany+名词复数+arethere+介词短语? Howmuch+不可数名词+isthere+介词短语?Eg:Howmanybooksarethereinyourbag?Howmuchwateristhereinthebottle?Therebe与have的区别用法不同:therebe表示某个时间或地方“存在”某人或某物,而have表示主语“拥有”某人或某物,作宾语的某人或某物属主语所有。\n4注意:therebe句型不能与have连用如:不能说Therehavethreestudentsintheclassroom.Therebe句型与have,has有时也可以通用。如:Theclassroomhastendesks.=Therearetendesksintheclassroom.教室里有十张桌子。Practice:选择填空()1.--Again,mycomputerdoes'twork.--__mustbesomethingwrongwiththeCPUA.ThereB.ThatC.ItD.This()2.There__somemilk,someeggsandafewapplesonthetable.A.isB.areC.hasD.have()3.Therearesomanygreentreeson__sidesofthestreet.A.eitherB.eachC.bothD.neither()4.There__anythingnewintoday'snewspaper.A.isB.areC.isn'tD.aren't()5.__there__booksontheshelf?A.are﹔aB.is﹔aC.have﹔someD.are﹔any()6.There__manyelephantsinAfrica.A.isB.hasC.areD.have()7.--Isthereahotelnearhere?--__.A.Yes,pleaseB.NotatallC.Sorry,Idon'tknowD.Hereyouare()8.Arethereany__onthetable?A.meatB.cheeseC.tomatoesD.paper()9.--Whereismywallet?--There__ablack__onthefloor.A.is﹔itB.are﹔onesC.is﹔oneD.are﹔one()10.There's__eraseron__desk.A.an﹔theB.the﹔aC.the﹔theD.an﹔/\n4答案:一.1.A“thereissomethingwrongwith”意为“„„有些问题”。2.A根据英语主谓一致中的就近原则,应用is,因为milk是不可数名词。3.C4.C5.D6.C7.C8.C9.C10.A