初中英语BE动词总结 4页

Be动词的用法总结及专项练习Be动词的用法口诀:be动词am\is\are,我(I)用am，你(you)用are，is连着他(he)，她(she)，它(it)；单数名词用is，复数名词全用are。我们（we）你们（you）和他们（they）都用are;过去式am\is变was,are变were;变疑问，往前提，句末问号莫丢弃。变否定，更容易，be后not莫忘记。疑问否定任你变，句首大写莫迟疑。一、Be动词与人称代词的搭配1、基本形式：am、are、is（1）am第一人称I+am(注意：“I无”论何时都要大写，不管位于句首还是句中)例：Iamabeautifulgirl.Iamtwenty.（2）are第二人称you+are;一人称复数we+are；三人称复数they+are其他复数名词+are(注意：第二人称单复数同形，都为you)例：Youaremygoodfriend.Theyareontheroad.(3isWeareinthesameclass.Thebooksareonthedesk.第三人称he(男)+is;she(女)+is;it(不是人)+is;其他单数名词+is例：He\Sheisagoodstudent.Adogisonthatstreet.Itisawhitecat.2、肯定、否定、疑问（等于号后是简写）否定——be动词后一般疑问——be动一般疑问回答肯定词移到主语前一般疑问否定加not肯定和否定Iam⋯=I’m⋯.Iamnot⋯=I’mYes,I’m.AmI⋯?AmnotI⋯?not...No,I’mnot.Youarenot⋯=YouYes,youare.Arenotyou...?Youare⋯=you’re⋯Areyou⋯?aren’t⋯=Aren’tyou⋯?No,youarenot.\nItisnot⋯Itis⋯=it⋯?Itisn’t⋯Wearenot⋯=WeWeare=We’reArewe⋯?aren’t⋯Theyarenot⋯=TheyTheyare=They’reArethey⋯?aren’t例：Iam(not)fromLondon.Myeyesare(not)small.Myhairis(not)long.Yes,she\he\Itit⋯?is.=Isn’tsheit⋯?No,she\he\Itisnot.Arenotwe⋯?Yes,weare.=Aren’twe⋯?No,wearenot.Arenotthey⋯?Yes,theyare.No,theyare=Aren’tthey⋯?not.AmIaChniese?回答：肯定：Yes,youare.否定：No,youaren’t.Isthecatfat?回答：肯定：Yes,itis.否定：No,itisn’t.注意：在一般疑问回答中，肯定回答除I’m不可简写,否定回答均可简写。另：特殊疑问句中：Where\How\Who\What\Why+be动词+人称代词或名词？例：Whatisyourname?MynameisLili.Whereareyou?I’mintheclassroom.二、Be动词专项练习题（一．）用be动词适当的词填空。1.I________fromAustralia.2.She_______anEnglishstudent.3.MikeandTom_________myfriends.4.Myparents_______verybusyeveryday.6.I______anEnglishteachernow.7.Where_________youfrom?10.Thelight_________green.\n11.Myname_________LiLei.I_________twelve.12._______theyyournewfriends?13.I______aboy.______youaboy?No,I_____not.14.Thegirl______Jack'ssister.15.Thedog_______tallandfat.16.______yourbrotherintheclassroomyesterday?17.Where_____yourmother?She______athome.18.Whosedress______this?19.That______myredskirt.20.Who______I?21.Sometea______intheglass.22.Jhon______busylastweekend..23.Mysister'sname______Nancy.24.This______notWangFang'spencil.25.______DavidandHelenfromEngland?26.We____friends.27.She___ateacher.28.I___agirl.29.Manyants____inmyhouse.30.Hismother____fat.（二.）写出下列词适当形式:1.Iam(缩略形式)______2.is(复数)______3.weare(缩略形式)______4.arenot(缩略形式)______5.isnot(缩略形式)______6.is/am(过去式形式)______7.she's(完整形式)______8.it's(完整形式)______9.they're(完整形式)______10.are(过去式形式)______（三.）将下列句子变成否定句和一般疑问句1.Hisbrotherisateacher.\n否定句:______________________________一般疑问句:__________________________2.Theyarehisparents.否定句:______________________________一般疑问句:___________________________3.Iwasbusylastweekend.否定句:_______________________________一般疑问句:___________________________4.Lucyisgongtothebookstoretomorrow..否定句:______________________________一般疑问句:__________________________5.IamanEnglishteacher.否定句:_______________________________一般疑问句:___________________________6.Theywerebusyyesterday.否定句:_______________________________一般疑问句:___________________________7.Iamgoingtovisitmygrandparentsthisweekend.否定句:_______________________________一般疑问句:___________________________8.Youwerehappyyesterday.否定句:_______________________________一般疑问句:___________________________9.Wearetwins.否定句:_______________________________一般疑问句:_______________________________10.Mikewastiredlastweekend.否定句:______________________________一般疑问句:_________________