四年级英语下册 Unit 4 At the farm（第三课时）习题课件 人教版PEP

第三课时hen—henscow—cowshorse—horsespotato—potatoestomatoes—tomatoessheep—sheepdeer—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。Howmanysheepdoyouhave?Ihavethree.Let’stalkListenandfillintheblanks.1.Theseare_______(羊).2.—Howmanyhensarethereatthefarm?—________three.Thisismyfarm.It’sbig.Arethese…?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①Thisisasheep.（变复数句）_______________②Theyaresomecows.(变单数句)___________③Thesearesomeducks.__________（变一般疑问句并作肯定回答）④Theyarebeautifulhorses._________(对画线部分提问)⑤Theyaremyhens.____________（变一般疑问句并作否定回答）⑥Ihavesixpigs._______________(对画线部分提问)Homework:(1)Copythenewwordsandsentences.(2)Makeanewdialogueandactitout.(结合本课学习内容编排一段含有名词复数的问答对话)