人教PEP四年级英语下册Unit 4 Part A 第1课时教学课件.ppt

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1、PEP·四年级下册Unit4AtthefarmLet’slearn&Let’schantLead-inIsitafarm?What’sthis?It’satomato.tomatoes西红柿Iliketoeattomatoes.NewwordsgreenbeangreenbeansThesearegreenbeans.豆角；四季豆potatopotatoes土豆Doyoulikepotatoes?carrotcarrots胡萝卜Therabbitlikestoeatcarrots.Whoisfastertomatocarrotpo

2、tatopotatoestomatoescarrotstomatoes西红柿tomatoes是tomato的复数形式。规则的名词复数的变化规律：1.一般情况下，直接在名词后面加-s。dog→window→dogswindows2.以s,x,sh,ch等结尾的名词，要在词尾加-es。bus→box→3.以“辅音字母+y”结尾的名词，要把y变成i，再加-es。library→strawberry→busesboxeslibrariesstrawberries4.以o结尾的名词大多数直接加-s。5.以f或fe结尾的名词，变f或fe为v，

3、再加-es。zoo→knife→leaf→zoos（tomato,potato除外）knivesleavessmallbigThistomatoissmall.Thispotatoisbig.比一比longThesegreenbeansarelong.shortThesecarrotsareshort.Let’slearnLookatthegreenbeans.They’resolong!Yes,andthepotatoesarebig.Answerthequestions1.Whataretheytalkingabout?___

4、__________________________2.Howmanykindsofvegetablesarethereinthepicture?_____________________________3.Thegreenbeansare______andthepotatoesare____.Theyaretalkingaboutvegetables.Therearefourkindsofvegetables.solongbigIcansayLookat_____.They’re____.Let’schantIlike_____

5、___.Ilike________._______Iwilltry.Ilovetoeat__________,But_____makemecry.tomatoespotatoesgreenbeansCarrotsonionsOnionsmakeme____.But,theyare_____.crygoodDoyoulike_____?Weshouldhavegoodeatinghabits.Exercise()1.greenbeans()2.potatoes()3.tomatoes()4.carrots一、选择对应的图片。A.B.

6、C.D.DABC二、根据要求完成各题。1.单数形式：tomatoes___________carrots___________greenbeans___________2.复数形式：potato___________onion___________tomatocarrotgreenbeanpotatoesonions三、猜一猜它们是什么蔬菜？A.potatoesB.greenbeansC.onions()1.Theyaregreen.Theyarelong.()2.Theymakemecry.()3.Theyarebrown.BC

7、A