Be动词用法口诀

Be动词用法口诀：Be有am,is,are我(I)用am你(you)用areis连着他(he)她(she)它(it)我们(we)你们(you)他们(they)要用are单数名词用is复数形式要用are变否定真容易be后not为标记变问句be提前，句尾问号要配全(？)应用时多注意缩写形式要牢记：I'm=Iamyou're=youarehe's=heisshe's=sheisit's=itiswe're=weareyou're=youarethey're=theyare......你还能想出其他的含有be动词的缩写形式吗？相关练习衔接一、用be动词的适当形式填空Partone:IanEnglishteachernow.Theygladtoseeeachother.HelenandNancygoodfriends.Thelittledogtwoyearsoldthisyear.Look,therelotsofgrapeshere.ThereasignonthechaironMonday.TodaythesecondofJune.YesterdaythefirstofJune.ItChildren'sDay.Allthestudentsveryexcited.Theskyblue.Iaboy.There(be)somewaterinthebottle.Parttwo:用恰当的be动词填空。Iaboy.youaboy?No,Inot.ThegirlJack'ssister.Thedogtallandfat.Themanwithbigeyesateacher.yourbrotherintheclassroom?Whereyourmother?Sheathome.Howyourfather?MikeandLiuTaoatschool.Whosedressthis?Whosesocksthey?Thatmyredskirt.WhoI?Thejeansonthedesk.Hereascarfforyou.Heresomesweatersforyou.TheblackglovesforSuYang.ThispairofglovesforYangLing.Thetwocupsofmilkforme.Someteaintheglass.Gaoshan'sshirtoverthere.Mysister'snameNancy.ThisnotWangFang'spencil.DavidandHelenfromEngland?Thereagirlintheroom.Theresomeapplesonthetree.thereanykitesintheclassroom?thereanyapplejuiceinthebottle?Theresomebreadontheplate.Thereaboy,twogirls,threemenandtenwomeninthepark.You,heandIfromChina.二、句型转换：1.Theyaredoinghousework.（分别改成一般疑问句和否定句）2．Thestudentsarecleaningtheclassroom.（改一般疑问句并作肯定和否定回答）Tomisunderthetree.（变为否定句）Themouse'steetharesharp.（变一般疑问句并作肯定回答）Theskateboardsareblack.（改成否定