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1、Unit1Thisisme!Grammarover/əuvə(r)/教室在那边在教室里穿过classroomoverthereintheclassroom预习反馈be用法英语句子的时态是指句中谓语动词在不同的时间和状况下所使用的某种动词形式。Weusethesimplepresenttensewhenwetalkaboutfactsandstates.一般现在时(1)SimplePresentTense一般现在时谓语be(1)V.(2)beamisare(主语为I)(主语为第三人称单数)(主语为第二
2、人称you或所有复数)Iamnot=_______isnot=_______arenot=_______I’mnotisn’taren’tStep3simplepresenttenseofverb“tobe”I’mMillie.I’m12yearsold.MynameisSimon.I’mtall.ThisisSandy.Sheistallandslim.ThisisDaniel.HeisfromNanjing.Heisshort.HeisgoodatMaths.ReadthepassageonPa
3、ge8.canyoufindsomesentenceswith“am,isandare”inthem?Lookatthesentencesandfindtherulesofsimplepresenttense.Iamastudent.★描述客观事实IamfromChina.我来自中国。★描述目前的事实。Sandyismyclassmate.Heis12yearsold.他十二岁。★描述现在的状态。Weareinclass1.Weareveryhappy.我们非常高兴。Be（is/am/are）可以用
4、来描述客观事实、目前的事实和现在的状态.Sumup1.在形容词adj.前面要用be动词;2.在名词n.前面要用be动词;3.在介词prep.前面要用be动词;Themathsquestionisveryhard.Ourfriendsaredoctors.Thehouseisontherightofthelibrary.4.在therebe结构及一些固定短语中要用be动词;begoodat,beborn,befrom等whentouseverb:tobe?Theverb‘tobe’hasthreefo
5、rmsinthesimplepresenttense——‘am’,‘is’and‘are’.Weuse‘am’whenthesubjectis_____.Weuse‘are’whenthesubjectis____,____or_____.Weuse‘is’whenthesubjectis____,____or_____.Iweyoutheyhesheit“be”动词的一般现在时形式有三种：am,is,are。be动词用法口诀：“我(I)”用am,“你(you)”用are,“is用于“他(he)”、
6、“她(she)”、“它(it)”,单数名词用“is”，复数名词全用“are”。Negativeformsoftheverb‘tobe’inthesimplepresenttenseare:I______/_______…We/You/They_____/_____…He/She/It_____/____…amnotI’mnotarenotaren’tisnotisn’tAskandanswer（疑问句及肯定否定回答）Areyou/they…?Yes,Iam/theyare.No,I’mnot/the
7、yaren’t.Ishe/she/it…?Yes,he/she/itis.No,he/she/itisn’t.将下列句子变成(1)一般疑问句并作肯定和否定回答;(2)变成否定句。1.Wearegoodfriends.(1)Areyougoodfriends?Yes,weare./No,wearen’t.(2)Wearen’tgoodfriends.巩固练习2.SimonandSandyareclassmates.(1)AreSimonandSandyclassmates?Yes,theyare./N
8、o,theyaren’t.(2)SimonandSandyaren’tclassmates.3.Herhairislong.(1)Isherhairlong?Yes,itis./No,itisn’t.(2)Herhairisn’tlong.课本练习A.HelpMilliecompletethesentenceswiththecorrectformsoftheverbtobe.MynameisMillie.I_____12yearsold.Hello,______you
