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。1．我(I)用am,你(you)用are,is连着他(he),她(she),它(it)；这些是固定用法：Iamaboy.(你不能说Iisaboy)Youareastudent.Heisaboy.Sheisagirl.Itisacat.2．单数名词用is,复数名词全用are.(主语个数是一个时,谓语用单数is,主语个数为2个或以上,谓语用复数are.)Thebookisoverthere.(一本书）Thebooksareoverthere.（多本书）.They/We/Youarestudents.3．变疑问,往前提,句末问号莫丢弃.(陈述句中谓语为is,are,am时,变疑问句只将其提前）如：Itisabook.变为：Isitabook?Theyarestudents.变为：Aretheystudents?Iamastudent.变为:Areyouastudent?(第一、第二人称要互换，be动词也相应变化。4．变否定,更容易,be后not莫忘记.如：Itisabook.变为:Itisnotabook.(否定句）Theyarestudents.变为：Theyarenotstudents.Iamastudent.变为:Iamnotastuent.5．疑问否定任你变,句首大写莫迟疑.如：Itisabook.变为：Isnotitabook?(疑问否定句）Theyarestudents.变为:Aren’ttheystudents?(疑问否定句）不能缩略：1.thisis,amnot,these/thoseare2.一般疑问句中，肯定回答时答语不能缩写。Yes,Iam.一．用be动词适当的词填空。1.I________fromAustralia.2.She_______astudent.3.JaneandTom_________myfriends.4.Myparents_______verybusyeveryday.5.LiLeiandIclassmates.6.I______anEnglishteachernow.7.Where_________youfrom?8.Youandheinthesameclass.9.--Whatcolortheseshoes?--Theygreen.10.Thelight_________green.11.Myname_________LiDong.I_________twelve.12._________theyyournewfriends?13.--I______aboy.______youaboy?--No,I_____not.14.Thegirl______Jack'ssister.15.Thedog_______tallandfat.16.______yourbrotherintheclassroom?17.Where_____yourmother?She______athome.18.Whosedress______this?19.That______myredskirt.20.Who______I?21.Sometea______intheglass.22.Gaoshan'sshirt_______overthere.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.31.He_____inClass4,Grade1.32.What_____yourname?33.These_____buses.34.Whatclass_____youin?35.It_____acar.36.Helen____astudent37.This_____mybook.38.Myfather______acook.39.Jack’sfriend____inClassOne.40.You____adoctor.41.They____cars.42.That______herdog.43.Thecat_______onthedesk.44.Thebooks_______underthetable.45.Here______myball.46.Those_____oranges.47.Howold_____yourteacher?48.How_______yourfather?49.EricandKathy____mystudents.50.Theman_____ateacher.二.选择1.She______MissHen.A.beB.amC.is2.I______sorry.A./B.amC.are3.Here______myball.A.isB.areC.am4.You______numbereight.A.areB.isC.am5.What_______this？A.isB.areC.be6.Helen____astudent.A.beB.amC.is7.Those_____oranges.A.isB.areC.am8.Howold_____yourteacher?A.beB.amC.is9.Where_____hermother?A.areB.isC.am10.Thetwocupsofmilk_____forme.A.isB.areC.be11.EricandKathy____mystudents.A.areB.isC.am12.Yourbooks____notgood.A.isB.areC.be13.He___aboy.A.beB.amC.is14.It___mydog.A.isB.areC.be15.Whosesocks______they?A.areB.isC.am16._______thereanychairsintheclassroom.A.IsB.AreC.Am17.Themanwithbigeyes_______ateacher.A.beB.amC.is18.How_______yourfather?A.isB.areC.be19.MikeandLiuTao______atschool.A.areB.isC.am20.I_____astudent.A.beB.amC.is21.They______teachers.A.isB.areC.be22.This_____mymother.A.areB.isC.am23._____youastudent?Yes,Iam.A.AmB.IsC.Are24.Thejam_____goodformygrandma.A.isB.areC.be三.写出下列词适当形式:1.Iam(缩略...
