Unit4Keepingclean一、教学目标1学会一般过去时的意义及结构，使学生灵活运用一般过去时。2学生能区分一般现在时与一般过去时，能运用到日常对话中。3学会本单元的新单词：warmwetcooldrycleandirtymessymousemouthcowhousesouthloud等。二、教学重点与难点1学会本单元的新单词。2学会一般过去时的运用及be动词的过去式的表示方法is——wasare——were三、教具：录音机、挂图、部分单词的实物、图片等。Thefirstperiod一、Review1Readthewords:springsummerfallwinter2T:What’stheweatherlikeinfall?S1:It’swindyinfall.T:What’stheweatherliketoday?S2:Itissunny.3Talkabouttheweatherinpairs.二、Presentation1T:What’stheweatherlikeinspring?S:It’srainy.T:Yes.It’srainy,it’swarmtoo.Teach:warm温暖的2T：Isitrainyinfall?S:No,itisn’t.T:Right.Butit’scoolinfall.(教cool凉爽的)warm_对应词__cool3情景教学单词wetanddry:两件衣服一件弄湿，一件是干的wet_对应词_dry4T:Whatdayisittoday?S:It’sMonday.T:Whataboutyesterday?ItwasSunday.教单词wasyesterdayis_过去式__wasT：What’stheweatherliketoday?S:It’swarm.Whatwastheweatheryesterday?T:Itwaswet.三、Drills11听录音，图出所听到的单词。2听录音，完成书本P49Practice1AB四、Practice1Readthenewwords2Pairwork:talkabouttheweathertodayandyesterday.五、Homework写一段话介绍一下天气情况。教后小记：————————————————————————————————————————————————————————————————————Thesecondperiod一.Review1Readthewordsinthepictures:warmwetcooldrysunnyrainywindycloudy2Lookatthepictureandanswerthequestions:What’stheweatherliketoday/insummer?Whatwastheweatherlikeyesterday?is__过去式_was一、Presentation1T:What’sthat?S:Itisadesk.T:Good.Thedeskistidynow,butitwasmessythismorning.(摆出一张整洁的桌子和一张凌乱的桌子图片进行比较)教学单词：tidy整洁的messy凌乱的tidy对应词messy2T:Whatarethey?S:Theyareshoes.T:Yes,theyaredirty,buttheywerecleanthismorning.(出示两幅鞋的图片，一幅有干净的鞋，一幅有脏的鞋进行比较)教单词：clean干净的dirty脏的,clean对应词dirty,were(are的过去式),are过去式were3T:Thesearemybooks.Wherearetheynow?S:Theyareonthedesknow.T:Butmybookswereonthefloorthismorning.S:Thebooksareonthedesknow,theywereonthefloorthismorning.4T:Isitadesk?S:No,itisn’t.T:Itisdbedroom.Isittidynow?S:Yes,itis.Butitwasmessythismorning.5Listentothetape:Target.二、Drills1Read“Target”2Singasong“Whatcanwedo?”3Finish“Practice1”C&D2(1)Askandanswer(2)Listenandcheck.三、Exercise1按要求写词clean反义词（）tidy反义词（）is过去式（）2填空(1)Yourbedroom_____messythismorning,butnowitis_____.(2)Mybooks_____onthefloorthemorning,they____onthedesknow.四、Homework:背好单词和句型及“Target”.教后小记：————————————————————————————————————————————————————————————————————Thethirdperiod一、Review1Singasong“Whatcanwedo?”2ReadP48“Vocabulary”&“Target”二、Presentation1T:Whatisthis?It’sgarbage(object)Let’sputthegarbagethere.教单词：garbage垃圾there那里2Showthepictureof“Conversation”T:Look,it’sdirty.listentothetape“whathappened”3ListentothetapeandreadbytheSstheletoneortwostudentsread.4Act.三、Drills1Pairwork:Practice22Checktheanswer.四、Exercise1Finish“Songactivity2”Theywere_______before.Butthey’re_______now.Whatcanwedo?Theywere______before.Butthey’re______now.Whatcanwedo?Wecanmakethem_______.________________________.Wecanmakethem_______.________________________.五、Homework读熟”Conversation.”和有关的单词。教后小记：3——————————————————————————————————————————————————————————————————Thefourthperiod1.warm—up:Listenandsing2.Reviewthestory,vocabularyandtarget.3.Studyreadingandwriting.(1).Look,listen,read,andfillintheblanks.(2).Readagain(3).Lookatthephotos.Whatarethesepeoplesaying?4.Studymorereadingandwriting.(1).Look,listen,andfillintheboxeswiththeanswers.(2).Readagain.Answerthequestions.(3).Look,readandcompare.Markthecorrectletterbythepicture.4
