人教版PEP小学四年级下册英语教学课件-Unit 4 B Lets learn(1) 12页

hen—hens cow—cows horse—horses potato—potatoes tomatoes—tomatoes sheep—sheep deer—deer 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. Let’s talk Listen and fill in the blanks. 1.These are _______(绵羊). 2. —How many hens are there at the farm? — ____ ____ three. This is my farm. It’s 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 ①This is a sheep.（变复数句） _______________ ②They are some cows. (变单数句) ___________ ③These are some ducks.__________ （变一般疑问句并作肯定回答） ④They are beautiful horses._________ (对画线部分提问) ⑤ They are my hens.____________ （变一般疑问句并作否定回答） ⑥I 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)