含be动词的一般现在时

用法口诀：“我(I)”用am,“你(you)”用are,is跟着“他(he)”、“她(she)”、“它(it)”,一切复数（we,you,they）都用“are”。用be（am,is,are）三种形式填空1.I___astudent.2.Sandy___myclassmate.3.We___inGrade7.4.They___happy.5.It__mybag.从以上5个句子，你能发现什么？变式例句:be动词一般现在时的肯定句:1.Iamanewstudent.2.Theyaremyteachers.3.Sheistall.GuideTwo请同学们在5分钟之内对比以下几个句子，你能从中发现什么，比比谁总结的最快。be动词一般现在时的否定句：1.Iamanewstudent.2.Iamnotanewstudent.3.Theyaremyteachers.4.Theyarenotmyteachers5.Sheistall.6.Sheisnottall.变式练习:be动词一般现在时的否定句:4.Iam__astudent.5.Youare__goodatswimming.6.Simonis__tall.请同学们在3分钟之内对比以下几个句子，你能从中发现什么，比比谁总结的最快。一般现在时be动词的一般疑问句及其肯定和否定回答•1.AmIthefirst?•Yes,youare.No,youaren’t•2.Areyougoodatswimming?•Yes,Iam./Yes,weare.•No,I’mnot./No,wearen’t.•3.IsSimontall?•Yes,heis.No,heisn’t一般现在时be动词的一般疑问句及其肯定回答AmIhappy?Yes,Iam.Areyou/we/theyyou/we/theyare.Ishe/she/ithe/she/itis.一般疑问句的否定回答No,Iamnot或I’mnothappy.you/we/theyarenot或aren’the/she/itisnot或isn’t变式练习将下列句子变成(1)一般疑问句并作肯定和否定回答;(2)变成否定句。Wearegoodfriends.(1)Areyougoodfriends?Yes,weare./No,wearen’t.(2)Wearen’tgoodfriends.SimonandSandyareclassmates.(1)AreSimonandSandyclassmates?Yes,theyare./No,theyaren’t.(2)SimonandSandyaren’tclassmates.Herhairislong.(1)Isherhairlong?Yes,itis./No,itisn’t.(2)Herhairisn’tlong.布置作业:用be的适当形式填空1.A:What___(be)hisname?B:Hisname___(be)Tom.2.A:___(be)youMike’sclassmate?B:Yes,I___(be).3.A:What___(be)yourbrother?B:He___(be)adoctor.4.A:___(be)theyyournewclassmates?B:No,they___(benot)5.A:___(be)thisyoure-dog?B:No,it__(benot)