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Be动词今天给大家讲解的是be动词,你知道什么是be动词吗?它又有哪些形式呢?be动词的三种基本形式为:am,is,are。be动词的用法:一般来说be动词要根据主词的人称来选择。(如下表)第一人称单数(I):amIamaboy.我是一个男孩。Iamnotaboy.我不是一个男孩。Areyouaboy?Yes,Iam./No,Iamnot.你是一个男孩吗?是的,我是。/不,我不是。复数(we):areWeareChinese.我们是中国人。WearenotChinese.我们不是中国人。AreyouChinese?Yes,weare./No,wearen't.你们是中国人吗?是的,我们是。/不,我们不是。第二人称单数(you你):areYouareagirl.你是一个女孩。Youarenotagirl.你不是一个女孩。Areyouagirl?Yes,Iam./No,Iamnot.你是一个女孩吗?是的,我是。/不,我不是。复数(you你们):areYouareveryyoung.你们非常年轻。Youarenotveryyoung.你们不是很年轻。Areyouveryyoung?Yes,weare./No,wearen't.第三人称单数(he/she/it):isSheisinChina.她在中国。SheisnotinChina.她不在中国。IssheinChina?Yes,sheis./No,sheisn't.她在中国吗?是的,她在。/不,她不在。复数(they):areTheyareverysad.他们很伤心。Theyarenotverysad.他们不是很伤心。Aretheyverysad?Yes,theyare./No,theyaren't.他们很伤心吗?是的,他们很伤心。/不,他们不伤心。温馨提示:be动词前面的人称,是不可随意替换的。例如:Iam,Youare,Sheis,并不会出现Iis,Youam,Sheare这样的情形.Be动词的用法口诀: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;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。练习一一、用am,is,are填空1)I_____astudent.2)You____adoctor.3)____shefromJinan?4)_____youAmerican?5)He_____inClass4,Grade1.6)It_____acar.7)They____cars8)____yourmotherinChina?9)_____yourfriendsinNewYork?10)What____hername?11)These_____buses.12)Those_____oranges.13)Where_____hermother?14)Howold_____yourteacher?15)Whatclass_____youin?二、模仿Eg.Thatisabook.否定句:Thatisnotabook.疑问句:Isthatabook?回答:Yes,itis./No,itisn’t.1.Thisisacoat.否定句:疑问句:回答:2.Iamastudent.否定句:疑问句:回答:3.Youareastar.否定句:疑问句:回答:4.Theseareapples.否定句:疑问句:回答:三、在下面的短文中填上恰当be动词。I______agirl.Myname_______Mary.I______inClass2,Grade7.I______12yearsold.Here______myfamilyphoto.Look!These______myparentsandthose_______mygrandparents.Thisboy______mybrother.He________15yearsoldnow.That______mycat,Mimi.It______verylovely.练习二一、在下面的题目中填上恰当的Be动词。1.I________fromAustralia.2.She_______astudent.3.JaneandTom_________myfriends.4.Myparents_______verybusyeveryday。5.I______aboy.______youaboy?No,I_____not.6.Thegirl______Jack’ssister.8.Thedog_______tallandfat.9.Themanwithbigeyes_______ateacher.10.______yourbrotherintheclassroom?11.Where_____yourmother?She______athome.12.How_______yourfather?13.MikeandLiuTao______atschool.14.Whosedress______this?15.Whosesocks______they?16.That______myredskirt.17.Who______I?18.Thejeans______onthedesk.19.Here______somesweatersforyou.20.Theblackgloves______forSuYang.21.Thispairofgloves______forYangLing.22.Where____thebag?It____onthetable.Where____thebags?They____onthetable.23.Where_____yourpen?It____underthesofa.Where_____yourpens?They____underthesofa.24.Where_____herbackpacks?They_____onthechair.Where_____herbackpack?It____onthechair.二、用BE动词的正确形式完成下列句子。1.I_______________astudent.6.You__________students.2.She_____________astudent.7.We__________students.3.He______________astudent.8.YouandI__________students.4.It_______________acountry.9.They________________students.5.You_____________astudent.10.JimandTom__________inAmerica.三、英语陈述句变一般疑问句和否定句,和一般疑问句回答。1.I'minClassfive.否定句:__________________一般疑问句:________________回答:________________2.Themanisadoctor.否定句:_______________一般疑问句:___________________回答:____________________3.Theyaremyfriends.否定句:___________________一般疑问句:________________________回答:____________________4.Hisshoesareblack.否定句:___________________________一般疑问句:__________________________回答______________________
本文标题:be动词的用法教学
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