英语人教版四年级下册Unit 4 At the farm

,PEP四年级下册,Unit4Atthefarm,Learninggoals,1.能够听、说、认读4个有关蔬菜的单词：tomato,potato,carrot,bean。2.能够在语境中正确运用这4个单词的复数形式描述蔬菜。3.能够在图片的帮助下听懂并跟读歌谣；能够替换关键词编创新的歌谣。,Newwords,potatocarrottomatogreenbeans,名词，马铃薯；土豆名词，胡萝卜名词，西红柿名词，豆角；四季豆,例：Doyoulikepotatoes?你喜欢吃土豆吗？,例：Therabbitlikestoeatcarrots.兔子爱吃胡萝卜。,例：Iliketoeattomatoes.我爱吃西红柿。,例：Thesearegreenbeans.这些是豆角。,Newwords,Leadin,Whichvegetablesdoyouliketoeat?Tomatoes,potatoesorcarrots?Iliketoeatgreenbeans!,你喜欢吃哪种蔬菜？西红柿，土豆还是胡萝卜？我爱吃四季豆。,Letslearn,点击图片进行课文朗读,Lookatthegreenbeans.Theyresolong!,Yes,andthepotatoesarebig.,tomatoes,greenbeans,potatoes,carrots,Sarah:Lookatthegreenbeans.Theyresolong!Mike:Yes,andthepotatoesarebig.,萨拉:看这些四季豆。他们是如此长！迈克：是的，土豆也很大。,Answerthequestions,1.Whataretheytalkingabout?_2.Howmanykindsofvegetablesinthepicture?_3.Thegreenbeansare_andthepotatoesare_.,Theyaretalkingaboutvegetables.,Theyarefourkindsofvegetables.,solong,big,tomatoes,potatoes,carrots,greenbeans名词单复数,Languagepoints,tomatoes是tomato的名词复数，即在tomato后面加es，类似的单词还有potatopotatoes（土豆）。名词分为可数名词和不可数名词两种。可数名词通常能一个一个的数，所以有单数和复数两种形式。不可数名词，顾名思义，不能一个一个的数，所以没有复数形式。可数名词单数变复数时，有一些是规则的，有规律可循；有一些是不规则的。,(1)规则的名词复数的变化规律：,(2)常见的不规则名词的复数形式：单复数相同，例如：sheepsheep（绵羊）；fishfish（鱼）元音字母变化的，如：manmen（男人）；womanwomen(女人)；footfeet（脚）；toothteeth（牙齿）词尾发生变化的，如：childchildren(孩子),Letschant,点击图片看视频,Iliketomatoes.Ilikepotatoes.CarrotsIwilltry.Ilovetoeatgreenbeans.Butonionsmakemecry.,唱一唱,Iliketomatoes.我喜欢西红柿。Ilikepotatoes.我喜欢土豆。CarrotsIwilltry.我会试试吃胡萝卜。Ilovetoeatgreenbeans.我爱吃四季豆。Butonionsmakemecry.但是洋葱让我流泪。,Practice1,单项选择。,1.Lookatthese!Arethese_?A.tomatoesB.carrotC.potatos2.Whatarethese?_.A.Theseareapples.B.Theyaresheep.C.Theyarecarrot.,A,B,Practice2,根据句意按所给词的适当形式填空。,tomatoes,1.Doyouliketheseyellow_(西红柿)？2.Lookatthe_