六年级下册第一课

新版六年级（下）英语Unit１Howtallareyou(3)B:let’slearnLuojiangPrimarySchool一、教学目标：1．能够听、说、读、写形容词的比较级形式：heavier,longer,thinner,bigger和smaller.二、

教学重难点1．重点是四会掌握五个形容词的比较形式。2．

难点是掌握以下形容词比较级的构成方式：heavy—heavier,thin—thinner,big—bigger.Revision:dialogues对话1.Howoldareyou?Iam58yearsold.2.Howtallareyou?Iam167cmtall.3.Howheavyareyou?Iam64kg..

thinnerheavierfatfattersmallerbiggerthinnerstrongerfunnyfunnierThelittleboyisfunny.Theotherboyisfunnier.Let’sreadcm=centimeter

厘米M=metre=meter米kg=kilogram公斤千克T=ton吨原型比较级tall

tallershortshorterlong

longer

youngyoungeroldoldersmallsmallerstrongstrongerbigbiggerthinthinnerheavyheaviertalltallerthinthinnerheavyheavier自主探究：你能发现形容词比较级的构成规律吗?nicenicer总结归纳1）形容词+er

long→longer,strong→stronger,fast→faster

2）以不发音e结尾的+r

large→larger,nice→nicer,safe→safer

3）以一个辅音字母结尾的重读闭音节，双写末尾辅音字母，再加+er

fat→fatter,thin→thinner,big→bigger

4)以辅音字母y结尾，变y为i+er

happy→happier,busy→busier,early→earlier,funny→funnier,heavy→heavier

5)不规则变化

good/well→better,many/much→more,bad/ill→worse，little→less,far→farther/furtherHowoldareyou?Howtallareyou?Howlongisyourdesk?Howheavyareyou?Howlongisyourpen?HowlongisyourEnglishbook?MakeSentences:Let’stalkListentothetapeandanswerthefollowingquestions:1.Whoaretalking?2.HowheavyisJim?3.Whoisthinner,JimorJohn?Let’slearn:1.Heis15yearsold.__________ishe?2.Tomis163cmtall.__________isTom?3.Tom’sfatheris