四年级英语下册Unit4AtthefarmPartB第3课时教学课件人教PEP版.ppt

1、Unit 4 At the farmUnit 4 At the farm第三课时henhenscowcowshorsehorsespotatopotatoestomatoestomatoessheepsheepdeerdeer认识单复数的变化1一般名词复数是在名词后面加上“s”;2以s，sh，ch，x等结尾的词加“es”;3以辅音字母y结尾的词，变y为i加es；以元音字母 y结尾的名词变复数时，直接加s变复数；4以有生命的植物o 结尾的名词变复数时加es；5以f或fe结尾的名词变复数时，去掉f，fe 加ves。How many sheep do you have?I have three.Le

2、ts talk Listen and fill in the blanks.1.These are _(羊).2.How many hens are there at the farm?_ _ three.This is my farm.Its big.Are these?练习题(1)单复数的变化sheep_cow_hen_ duck_chick_horse_pig_ goose_cat_ do_it_ this_that_ is_(2)句型转换This is a sheep.（变复数句）_They are some cows.(变单数句)_These are some ducks._（变一般疑问句并作肯定回答）They are beautiful horses._(对画线部分提问)They are my hens._（变一般疑问句并作否定回答）I have six pigs._(对画线部分提问)Homework:(1)Copy the new words and sentences.(2)Make a new dialogue and act it out.(结合本课学习内容编排一段含有名词复数的问答对话)