人教PEP版四年级英语下册Unit4.ppt

UnitFour,Atthefarm,tomatoes,greenbeans,carrots,返回首页,potatoes,Letslearn,返回首页,tomatoes,greenbeans,carrots,potatoes,你发现了什么？,返回首页,词汇练习,看图说单词！,tomatoes,greenbeans,carrots,potatoes,Iliketomatoes.Ilikepotatoes.CarrotsIwilltry.Ilovetoeatgreenbeans.Butonionsmakemecry.,返回首页,Letschant,A:Lookatthese!Arethesecarrots?B:Yes,theyare.C:Wow!Theyresobig!C:Whatarethese?B:Theyretomatoes.C:Buttheyreyellow!B:Trysome!Theyregood.C:Thanks.Yum.,返回首页,Letstalk,1.询问“这些是吗？”的句型结构：Arethese+名词复数？这是由be动词引导的一般疑问句。因为主语是复数形式，因此be用are的形式。肯定回答为：Yes,theyare.否定回答为：No,theyarent.例句：Arethesetomatoes?Yes,theyare.No,theyarent.,返回首页,句型学习,2.询问“这些是什么？”的句型：Whatarethese?这是由what引导的特殊疑问句。主语的单复数形式决定be动词用is还是are。these是代词，用来指代复数名词，因此be动词用are。这个句型回答为：Theyre例句：Whatarethese?Theyreeggs.,返回首页,句型学习,句型练习,看图回答。1.Arethesetomatoes?2.Arethesemonkeys?3.Aretheseapples?4.Whatarethese?5.Whatarethese?,返回首页,Letsplay,horsefork,/:/,返回首页,Letsspell,homeworkworldmap,/:/,cows,hens,sheep,horse,返回首页,Letslearn,返回首页,返回首页,它们的复数怎么变？,词汇练习,cow,horse,hen,sheep,tomato,greenbean,carrot,potato,s,es,s,s,s,s,es,Drawandsay,A:Wow!Youhavealotofanimals!Whatarethose?B:Theyrehorses.A:Cool!Howmanyhorsesdoyouhave?B:MmmSeventeen.C:Whataboutthose?Aretheyhens?B:No,theyarent.Theyreducks.,返回首页,Letstalk,返回首页,Letsplay,meow,quack,woof,cluck,moo,neigh,catmeowduckquackdogwoofhencluckcowmoohorseneigh,你,来,演,我,来,猜,返回首页,Readandwrite,Thisisthevegetablegarden.Thesearecarrotsandpotatoes.Thosearetomatoesandgreenbeansoverthere.Thereareanimals,too.Whatarethese?Theyaresheep.MrMacdonaldhastensheeponthefarm.Arethosesheep?No,theyaregoats.Theylovetoeatcarrots!,Hi!ThisisMrMacdonaldsfarm.Letshavealook!,Maryhasalittlelamb,littlelamb,littlelamb.Maryhasalittlelamb.Itsfleeceiswhiteassnow.EverywherethatMarygoes,Marygoes,Marygoes.EverywherethatMarygoes,thatlambissuretogo.,返回首页,Letssing,Maryhasalittlelamb,大显身手,连线找答语。1.Wha