Unit4AtthefarmPartBLet'slearnDrawandsay（課件）四年級英語下學(xué)期（人教PEP版）

Unit4AtthefarmPartBLet'slearn&DrawandsayLet’ssingRoleplayTherearealotofanimalsatthefarm.Whatcanyousee?Icansee…Whatisthis?Itisahen.Whatarethese?Theyarehens.Whatisthat?Itisahorse.Whatarethose?Theyarehorses.It’sblackandwhite.Itisbig.Wedrinkitsmilk.Whatisit?Canyouguess?Itisacow.cowThesecowsaresocute.No,itisn’t.Yes,itisnotacow.Itisasheep.Isitacow?sheepThesesheeparewhite.sheep的復(fù)數(shù)形式為sheep，注意該單詞的單數(shù)和復(fù)數(shù)同形?？蓴?shù)名詞單數(shù)變復(fù)數(shù)變化規(guī)則(一)b.以s,sh,ch,x等結(jié)尾的詞加“es”，

如:bus→buses,

box→boxes??一般名詞復(fù)數(shù)是在名詞后面加上“s”，

如:pen→pens,book→booksLanguagepointd.以元音字母＋y結(jié)尾的名詞變復(fù)數(shù)時，直接加s變復(fù)數(shù)，如:toy→toysc.以輔音字母＋y結(jié)尾的詞，

變y為i加es，

如:candy→candies可數(shù)名詞單數(shù)變復(fù)數(shù)變化規(guī)則(二)f.以o結(jié)尾的名詞變復(fù)數(shù)，如表示“有生命”的名詞時，在詞尾加“es”,如:tomato→tomatoes????e.以o結(jié)尾的名詞變復(fù)數(shù)，如表示“無

生命”的名詞時，在詞尾加“s”,

如:photo→photos,zoo→zoosLanguagepointh.單復(fù)數(shù)同形的名詞要牢記，

如:sheep,deer,fishg.以f或fe結(jié)尾的名詞變復(fù)數(shù)時

通常是去掉f或fe，加ves，

如：knife→knives提示：以o結(jié)尾且表示“有生命”的名詞巧記如下：

英雄、黑人愛吃西紅柿、土豆和芒果。hero→heroesnegro→negroestomato→tomatoespotato→potatoesmango→mangoes寫出下列名詞的復(fù)數(shù)形式。1.cow_______2.hen_______3.carrot_______4.sheep_______5.horse_______6.book_______7.potato_______8.tomato_______9.fish_______ReadandwritecowshenscarrotssheephorsesbookspotatoestomatoesfishListenandimitate.

2.Readthedialogueandthewords.3.Roleplay.Thesearesheep.sheepWow!They’resocute!cowshenshorsesWhat’sMissing?catshenshorsescowssheepdogsmonkeysducksAskandanswerWhatisthis/that?Itisa…Whatarethese/those?Theyare…DrawyourdreamfarmTalkaboutyourdreamfarmThisismyfarm.It’sbig.Arethese/those…?Yes,theyare./No,theyaren’t,theyare…GoodtoknowmoreTherearealotofEnglishidiomsaboutanimals.Let’shavealook.1.countsheep（數(shù)羊以求入睡）2.ablacksheep（害群之馬；有辱家族的人）3.eatlikeahorse（吃的很多）4.berainingcatsanddogs（下傾盆大雨）5.killtwobirdswithonestone（一石二鳥；一箭雙雕）6.achicken-or-eggproblem（因果難定的問題）Readandmatchsheep