英语人教版四年级下册unit 4 at the farm A

UnitFourAtthefarmALetslearnLetschant,big,small,long,short,greenbean,E,e,Whatarethese?_,Greenbeens,greenbeens,greenbeans,Theyaregreenbeans.,clean,tea,sea,bean,Thesearegreenbeans.,Theyareso_.,Ilovetoeatgreenbeans.,Whatarethese?,beansgreenbeansLookatthegreenbeans.Theyaresolong！,Letschant,tomato,E,e,Whatarethese?_,Tomatoes,tomatoes,tomatoes,Theyaretomatoes.,Thesearetomatoes.,Theyareso_.,Ilovetoeattomatoes.,Whatarethese?,tomato,tomatoesLookatthetomatoes.Theyareso.！,Letschant,potato,E,e,Whatarethese?_,Potatoes,potatoes,potatoes,Theyarepotatoes.,Thesearepotatoes.,Theyareso_.,Ilovetoeatpotatoes.,Whatarethese?,potato,potatoesLookatthepotatoes.Theyareso.！,Letschant,carrot,E,e,Whatarethese?_,Carrots,carrots,carrots,Theyarecarrots.,Thesearecarrots.,Theyareso_.,CarrotsIwilltry.,Whatarethese?,carrot,carrotsLookatthecarrots.Theyareso.！,Letschant,onion,E,e,Whatarethese?_,Onions,onions,Theyareonions.,onions,Theseareonions.,Theyareso_.,Onionsmakemecry.,Whatarethese?,Letsplayagame,onion,greenbean,potato,tomato,carrot,Match,名词单数变复数规则,规则变化1）一般情况下加-s如book-books（书）desk-desks（书桌）2）以s,x,ch,sh结尾加-es如box-boxes（盒子）bus-buses(公共汽车)3)以辅音字母+结尾，变y为i再加-es如city-cities(城市)country-countries(国家)4)以o结尾分2类(1)o结尾的加-es如tomato-tomatoes(西红杮)hero-heroes（英雄）potato-potatoes(土豆)(2)o结尾名词的加-s如piano-pianos(钢琴),zoo-zoos(动物园),Letstalkaboutthesevegetables.,Letschant,Iliketomatoes.Ilikepotatoes.CarrotsIwilltry(尝试）.Ilovetoeatgreenbeans，Butonionsmakemecry（会使我哭）.,Exercises（1）根据所给中文完成句子Idlikefour_(苹果).我喜欢土豆。_.看这些豆角，它们这么长！_!,apples,Ilikepotatoes,Lookatthegreenbeans,theyresolong,Homework