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1、Unit4Atthefarm人教版(三年级起点)四年级下册PartALet'stalkLet'splayLet'stalk视频Sum-upWarm-up/RevisionPresentationTestHomework●Let'stalk●Let'splayWarm-up/RevisionMaryhasalittlelambMaryhasalittlelamb,littlelamb,littlelamb.Maryhasalittlelamb.Itsfleeceiswhiteassnow.EverywherethatMarygoes,Marygoes,Marygoes,Everywhere
2、thatMarygoes,thelambissuretogo.these(this的复数形式)这些【对应词】those那些【例句】Theseareapples.这些是苹果。Presentation/ðiːz/carrot胡萝卜【例句】Doyoulikecarrots?你喜欢胡萝卜吗?/ˈkærət/【复数】carrotstomato西红柿【复数形式】tomatoes【例句】Iliketomatoesverymuch.我非常喜欢西红柿。/təˈmɑːtəʊ/try试;尝试【短语】trytodosth试着做某事tryone'sbest尽某人最大的努力【例句】Pleasetryagain.请再
3、试试。yum(表示味道或气味非常好)【拓展】yummy(形容词)美味的【例句】Thesouptastesyummy.汤很美味。游戏时间BombGamecarrotthatyumthistomatotomatotomatotrythesedinnertomatoLet'stalk点击“Let'stalk”，跟我一起读吧！视频Whatarethese?Lookatthese!Arethesecarrots?They'retomatoes.Let'stalkWow!They'resobig!Yes,theyare.Butthey'reyellow!Thanks.Yum.Trysome!They
4、'regood.—Arethesecarrots?这些是胡萝卜吗?—Yes,theyare.是的。【详解】此句是“Isthisacarrot?”的复数形式;these意思是“这些”,是this的复数形式;carrots是carrot的复数形式。回答时为了避免重复,一般不用these回答,多用they代指。重点句型【一般疑问句句型结构】Be动词(Is/Are)+代词+名词?重点句型一【肯定回答】Yes,主语+be动词(is/are).【否定回答】No,主语+be动词(is/are)+not.Arethesepencils?Yes,theyare./No,theyaren't.这些是铅笔吗?
5、是的。/不,不是。含有实义动词的一般疑问句要借助于助动词do和does来构成,将其放到句首,其他词顺序不变。肯定回答用“Yes,主语+do/does.”,否定回答用“No,主语+don't/doesn't.”。【例句】—Doyoulikeapples?你喜欢苹果吗?—Yes,Ido./No,Idon't.是的,我喜欢。/不,我不喜欢。。拓展Whatarethese?Arethesetomatoes?Aretheseapples?Let'splayNo.Yes!PracticeWhatarethese?They'recarrots.PracticeWhatarethese?They'ret
6、omatoes.PracticeWhatarethese?They'reapples.一、写出下列单词的复数形式。Test1.tomato__________2.carrot___________3.apple___________4.onion___________5.banana__________6.pear____________tomatoesapplesonionspearsbananascarrots二、单项选择。（）1.—__________—Yes,they,are.A.Isitacarrot?B.Arethesecarrots?C.Isthatacarrot?（）2.
7、Lookatthesepotatoes!___________sobig.A.They’reB.It’sC.Theseare（）3.—Trysome.They’regood.—__________A.No.B.Yes,please.C.Thanks.（）4.—Whatarethese?—They’re_________.A.tomatoB.tomatosC.tomatoes（）5.Theapplesareso_________.A.
