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be动词一．Be动词的用法：1.Be动词包括：am,is,are.2.Be动词的含义为“是”或“在”。3.Be动词的使用口诀：Be动词真伟大，生出amisare,我用am,你用are，is连接他，她，它。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。4.肯定和否定句Iam(not)fromLondon.Heis(not)ateacher.Sheis(not)inthediningroom.Hereyesare(not)small.5.一般疑问句AmIaChinese?Yes,youare.No,youaren’t.Isthecatfat?Yes,itis.No,itisn’t.AretheyAmerican?Yes,theyare.No,theyaren’t.快乐练兵场1.What____yourname?Myname_____Tom.2.What____hisname?Hisname＿＿Kevin.3.What____yourmom’sname?Hername____Lula.4.This_____Jim,myteacher.That____mysister.5.How_____you?I____fine.6.How_____he?He____OK.7.How_____Nancy?She____fine,too.8.Where____youfrom?I____fromBeijing.9.Where____hefrom?He____fromCanada.10.Where____theyfrom?They____fromEngland.11.Where____yourmomfrom?She____fromShishi.12.Where____histeacherfrom?He____fromJapan.13.Where____LucyandLilyfrom?They____fromCuba.14.Howold____you?I____twelveyearsold.15.Howold____he?He____elevenyearsold.16.Howold____she?She____thirteenyearsold.17.Howold____they?They____fourteenyearsold.18.Howold____KateandTom?They____fifteenyearsold.19.Whatclass____youin?I____inClassThree,GradeSeven.20.Whatclass____LiMingin?He_____inClassFour,GradeEight.21.Whatgrade____Sallyin?She_____inGradeNine.22.Who____that?That____Nancy.23.What____thisinEnglish?It_____anapple.24.What____thatinEnglish?It_____amap.25._____youLily?Yes,I____.26._____heLiMing?No,heisn’t.He_____LiHua.27._____sheJane?Yes,she_____.28._____thisaruler?Yes,it_____./No,itisn’t.29._____thatanorange?No,itisn’t.It_____atoy.30._____theyteachers?Yes,they______.把下列句子改成否定句和一般疑问句并作肯定或否定回答。1.Thisisthereadingroom.否定句：______________________一般疑问句：____________________________2.She’sMissLynn.否定句：______________________一般疑问句：____________________________3.IaminGrade3.否定句：______________________一般疑问句：____________________________4.Weareteachers.否定句：______________________一般疑问句：____________________________5.Thesearepears.否定句：______________________一般疑问句：_______________________二．be动词的过去式1.am和is在一般过去时中变为was.(wasnot=wasn’t)2.are在一般过去时中变为were.（werenot=weren’t）快乐练兵场1.MyCDwalkman________(be)inthestudythismorning.Butnowit______(be)notthere.Ican’tfindit.Canyouhelpme?2.——Where______(be)yourdiaryamomentago?Ican’tfindit.——Oh,it________(be)inmybedroom.Ishowedittomyparents.4.MissLi________(be)notintheschoolamomentago.Butnowshe_______(be)intheschool.5.Tom________(be)notintheclassroomnow.Buthe______(be)thereamomentago.6.Myfather________(be)inthesupermarketamomentago.Nowhe_______(be)atschool.7.MrGreen_______(be)notintheofficeamomentago.He______(be)inthemusicroom.HewashavingaMusiclesson.8.Jim________(be)athomenow.Butjustnowhe______(be)notathome.He_____(be)inthesupermarket.9.He_____(be)astudent2yearsago,nowhe________(be)aworker.10.Thebooks_________(be)intheclassroomthismorning.Butnowthey________(be)nottherenow.11.Myfather’sandmother’smobilephones_______(be)onthedeskthismorning.12.Thediaries________(be)nottherethismorning.Butnowthey______(be)there.13.Yesterday(昨天)Jim’sparents_____(be)inWuxi,Tom’sparents_____(be)inShanghai.WhataboutLucy’sparents?Where_____(be)they?14.____(be)yourfatherathomethismorning?No,he_____(be)not.15.____(be)yourparentsstudentsin2002?Yes,they_______(be)