人教新版四年级下册unit4let'slearn.ppt

Unit4 At the farmB Lets learn北屯中学 刘晓琴2014年4月9日This is a cow.These are cows.This is a horse.These are horses.This is a hen.These are hens.This is a sheep.These are sheep. Ask and answer Are these ducks? Yes, they are.Are these cows ? Yes, they are.Are these horses？Yes，they are. Are these dogs? No,they arent. Are these ducks? No,they arent.Are thses goats ?No, they arent.goatsheeplamb小提示This is my farm. Its big. Are these? 堂请：Lets draw and say（假如这是你的农场，赶紧画出你饲养的动物吧。）Yes，they are.These are geese. henhens cowcows horsehorses sheepsheep deerdeerSumming up（总结） tomatotomatoes potatopotatoes 1一般一般名词复数名词复数是在名词后面加上是在名词后面加上“s”;2以以s， sh， ch， x等结尾的词加等结尾的词加“es”; 3以以辅音字母辅音字母y结尾的词，变结尾的词，变y为为i加加es； 以以元音字母元音字母 y结尾的名词变复数时，直接结尾的名词变复数时，直接加加s变复数；变复数； 4以有生命的植物以有生命的植物o 结尾的名词变复数时加结尾的名词变复数时加es； 5以以f或或fe结尾的名词变复数时，去掉结尾的名词变复数时，去掉f， fe 加加ves。homework1.Copy these words2.Find other animals at the farm.爱护环境，关爱动物。