四年級(jí)英語下冊(cè) Unit 4 At the farm（第三課時(shí)）習(xí)題課件 人教版PEP.ppt

第三課時(shí),Letssing,henhenscowcowshorsehorses,potatopotatoestomatoestomatoes,sheepsheepdeerdeer,認(rèn)識(shí)單復(fù)數(shù)的變化,1一般名詞復(fù)數(shù)是在名詞后面加上“s”;2以s，sh，ch，x等結(jié)尾的詞加“es”;3以輔音字母y結(jié)尾的詞，變y為i加es；以元音字母y結(jié)尾的名詞變復(fù)數(shù)時(shí)，直接加s變復(fù)數(shù)；4以有生命的植物o結(jié)尾的名詞變復(fù)數(shù)時(shí)加es；5以f或fe結(jié)尾的名詞變復(fù)數(shù)時(shí)，去掉f，fe加ves。,Howmanysheepdoyouhave?,Ihavethree.,Letstalk,Listenandfillintheblanks.1.Theseare_(羊).2.Howmanyhensarethereatthefarm?_three.,Thisismyfarm.Itsbig.,Arethese?,練習(xí)題(1)單復(fù)數(shù)的變化sheep_cow_hen_duck_chick_horse_pig_goose_cat_do_it_this_that_is_,(2)句型轉(zhuǎn)換,Thisisasheep.（變復(fù)數(shù)句）_Theyaresomecows.(變單數(shù)句)_Thesearesomeducks._（變一般疑問句并作肯定回答）Theyarebeautifulhorses._(對(duì)畫線部分提問)Theyaremyhens._（變一般疑問句并作否定回答）Ihavesixpigs._(對(duì)畫線部分提問),Homework:(1)Copythenewwordsandsentences.(2)Makeanewdialogueandactitout.(結(jié)合本課學(xué)習(xí)內(nèi)容編排一段含有名詞復(fù)數(shù)的問答對(duì)話),