初中英语人教版八年级上册unit3 Section A Grammar focus.ppt

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1、Unit3I'mmoreoutgoingthanmysister.SectionAPeriodTwoObjectiveTolearntousecomparativeswith-er,moreandas...asIsTomsmarterthanSam?TinaismoreoutgoingthanTara.Areyouasfriendlyasyoursister?1.SamplaysthedrumsbetterthanTom.2.Heistallerthanotherboysinmyclass.3.SheisshorterthanIaman

2、disverysmall.形容词的比较级形容词有三种形式：原级，比较级和最高级‘as’+adj.+‘as’的用法*as...as:“和……一样”*表示同级的比较*基本结构：as+adj.+as1.SheisasslimasIam.2.AmyisastallasPeter.3.Thisfilmisasinterestingasthatone.Canyouguessthemeaningofthefollowingsentences?Couldyoufigureouttheusageof“as…as”?肯定形式：as+adj.+as否定形式：

3、notas+adj.+asEnglishisasinterestingasChinese.英语和汉语一样有趣。AmyisnotastallasPeter.艾米没有皮特高。形容词的原级形容词的比较级形容词的比较级:两个人或事物的比较规则变化和不规则变化（在形容词原级形式的基础上变化）规则变化一般：-erclever－clevererfew－fewersmall－smaller2)以不发音的e结尾：-rnice－nicercute－cuterlarge－larger3)以辅音字母＋y结尾：变y为i＋ereasy－easierhappy－ha

4、ppier形容词、副词规则变化和不规则变化4)以重读闭音节且末尾只有一个辅音字母双写最后的辅音字母＋erfat－fatterthin－thinnerhot－hotterred－redderwet－wetterbig－bigger5)多音节和部分双音节的词：more＋形容词原级beautiful－morebeautifulcareful－morecarefuluseful－moreuseful6)少数单音节词：more＋形容词原级pleased－morepleasedtired－moretired7)不规则变化：good—betterw

5、ell—betterbad－worsemany,much—morefar—farther(距离远)far—further(程度深)old—elder(长幼)old—older(年龄)形容词比较级的用法用法：比较两个人或事物结构:主语+谓语(系动词)+形容词比较级+than+对比成分SheisshorterthanIam.主语谓语比较级比较成分Mybookismoreinterestingthanhisbook.HeistallerthanI.TinaismoreoutgoingthanTara.Lily’shairis_____.Luc

6、y’shairis______.Lily’shairis_______thanLucy’s.Lucy’shairis_______thanLily’s.LookandsayLilyLucylongshortlongershorterThebikegoesfast.Thecargoes______thanthebike.fasterat11:00pmat11:30pmJimTomJimgoestobedlate.Tomgoestobed______thanJim.laterUsethewordstowritequestionsandans

7、wers.1.Julie/tall/youQ:___________________A:No,sheisn’t.She’s_____thanme.2.Jack/run/fast/SamQ:____________________________A:No,hedoesn’t.Heruns______thanSam.IsJulieastallasyou?taller3aDoesJackrunfasterthanSam?slower3.yourcousin/outgoing/youQ:_____________________________

8、__________A:No,sheisn’t.She’s_______thanme.4.Paul/funny/CarolQ:____________________________A:No,heisn’t