be动词及阅读练习

Unit1Nicetomeetyou!,Verb“be”be动词的一般现在时：be动词的一般现在时有三种形式，即：am,is,are。1.如果主语是第一人称I（我）时，be动词用am。如：Iamastudent.我是一名学生。Iam还可缩写成Im。如：ImDavid.我是大卫。2.如果主语是you（你，你们）,they（他们，它们，她们）或名词复数（两个以上的人或物）时，be动词必须用are。如：Areyoutwelve?你是十二岁吗？TomandLilyaregoodfriends.汤姆和莉莉是好朋友。,含有be动词的句子在进行否定、疑问句变化时，都要在be动词上变化。(1)变为否定句：主语+be+not+其他。即，直接在be后not.ImaChineseboy.ImnotaChineseboy.Youaregood.Youarenotgood.Heisstrictwithus.Heisnotstrictwithus.SheisfromAmerica.SheisnotfromAmerica.,(2)变为一般疑问句：Be+主语+其他？即把be动词提到主语的前面。注意：当肯定句主语为第一人称I和We时，变一般疑问句要变为第二人称，be动词也要相应的变为are.同样肯定句中的my和our也要变为your.Iamaboy.Areyouastudent?Wearegoodfriends.Areyougoodfriends?SheisfromAmerica.IsshefromAmerica?HeisstrictwithusIshestrictwithus?,(3)变特殊疑问句：特殊疑问词be动词主语?一般的要求为“对划线部分提问”，即用特殊疑问词代替划线的部分，后接省略划线部分的一般疑问句（一般不再出现划线部分）。如：Imwell.（对划线部分提问）Howareyou?SheisfromAmerica.（对划线部分提问）Whereisshefrom?,用动词be（am，are，is）填空I_astudent.LucyandLily_fromUSA.-Who_they?-They_Jim,MikeandJohn.Thewhiteshirts_onthechair.Theirbikes_underabigtree.Hisfather_athome.Howold_you?_thereanybirdsinthetree?,Fiftyyearsago,mostfilmshadnosounds.AmannamedWaltDisneymadeacartoonmousethatcouldtalkinthesefilms.HenamedhismouseMickeyMouse.SoonMickeyMousebecameagoodfriendofbothyoungandoldpeople.Childrenlikedtoseetheirlovelyfriend,becausehebroughthappinesstothem.,WaltDisneyandHisCartoon,Peopleusuallyhatemice,butonemouseownstheheartsofthepeopleallovertheworld-thefamousMickeyMouse.,Readingpractice,Mickeyisacleanmouserightfromthebeginning.PerhapsthisiswhypeopleloveMickeyMouse.InhisearlylifeMickeymadesomemistakes.Peoplewereveryangry.TheywrotetoDisneyandsaidthattheydidnotwantMickeytodowrongthings.,AsthereweresomethingsthatMickeycouldnotdo,DisneymadeanewanimalnamedDonaldDuck.Healsomadeadog,Pluto.Thisdogdoesfoolishthingsandmakesmistakeswheneverhegoes.NowourMickeyMouseisnotonlyclean,butmoreinteresting.Hecomesoutasastarofbeautyandwisdom.Hehashisfriendsinalmosteverycountry.,Wordsa