人教版七年级上册英语第三单元课件.ppt

Unit3Isthisyourpencil?Lead-inExcuseme.Isthisyourpencilbox?Yes,itis.It’smine.Isthatyourschoolbag?No,itisn’t.It’shers.Excuseme.Aretheseyourbooks?Yes,theyare.They’remine.No,theyaren’t.They’rehis.Arethoseyourdictionaries?Therearemanybooksinthelibrary.选择与单词意思相符的图片“Whereareyougoing?”sheasked.Thestudentsareintheclassroom.Ilostmykeys.Writethethingsyouloseeasily(atleasefive).2akey,watch,mobilephone,pen,eraser,cup...Howcanwefindlostthingsatschool?P182bReadthenoticesontheboardandcirclethelostthings.LinHai,Acomputergameisintheschoollibrary.Isityours?Asktheteacherforit.MikeFound:Somekeysareinclassroom7E.Aretheyyours?[e-mail]?Myphonenumberis495-3539.Callme.JohnLost:IlostmyschoolIDcard.Imustfindit.Callmeat685-6034.Thanks.TomLanguagepoints1.ask...for...请求;恳求(给予)【语境领悟】*Asktheteacherforhelp.向老师求助吧。*Askyourfathertohelpyou.让你爸爸帮你吧。【自主归纳】(1)ask为动词,意为“询问;问”,ask...for...意为“请求;恳求(给予)”,固定短语。(2)asksb.todosth.“让某人做某事”。【学以致用】PleaseaskTomhere.A.comeB.comesC.tocomeD.coming2.Callmeat685-6034.拨打685-6034找我。【句型剖析】这是以动词原形开头的祈使句。callsb.at+电话号码，意为“拨打......找某人”。*Pleasecallmeat888-9998.请拨打电话888-9998与我联系。【归纳拓展】call的常见用法callsb.给某人打电话givesb.acall给某人打电话call+电话号码拨打……号码【学以致用】①Pleasecallincaseofthefire(火灾).A.119B.at119C.in119D.on119②Isthisyourwatchinthelostandfoundcase?CallMary999-9789.A.onB.forC.inD.at3.find找到;发现【语境领悟】*Ican’tfindmyruler.我找不到我的尺子了。*Hefoundaboxinhisdesk.他在课桌里发现了一个盒子。【自主归纳】find是动词,意为“找到;发现”,后跟代词、名词等。其过去式为found。【归纳拓展】find与lookfor“找”不同find强调“找到”这一结果lookfor“寻找”,强调“寻找”这一动作【一言辨异】I’mlookingformypen,butIcan’tfindit.我正在寻找我的钢笔,但是我找不到它。【学以致用】Ican’tmyeraser.A.lookB.lookforC.findD.found2cReadthenoticesagainandwritedowntheitems.Thencheck(√)LostorFound.ItemLostFound________________________________________________________IDcardwatchkeyscomputergame√√√√Checkanswer连词成句1.mywatch,lost,I(.)__________________________________2.computergame,this,is,your(?)__________________________________3.these,yourkeys,are(?)__________________________________Ilostmywatch.Isthisyourcomputergame?Aretheseyourkeys?Exercise任务型阅读。lost&foundFound:Isthisyourschoolbag?CallKelseyat328-6798.Found:Dictionary.Isthisyourdictionary?PleasecallAlan.Phone#[phone].Lost:Myring.MynameisLinda.Pleasecall675-1243.根据失物招领启事，完成下列句子。1._________foundaschoolbag.2.Lindalosta__________.3.Linda'sphonenumberis____________.4.Alanfounda____________.5.Alan'sphonenumberis___________.6.LinYilostherschoolbag,thenshemaycall____________at___________tofindit.Kelseyring675-1243dictionary465-3456Kelsey328-6798