英语人教版八年级下册Unit 7Grammar focus 4a-4c.ppt

Unit7What sthehighestmountainintheworld SectionA3Grammarfocus 4c Grammerfocus 比较级 最高级的构成规则 1 规则变化一般情况下 单音节或双音节的形容词 副词比较级 er 最高级 est clever cleverer cleverestfew fewer fewestsmall smaller smallest等 形容词 副词的比较级和最高级 2 以e结尾的词 比较级 r 最高级 st即可 nice nicer nicestcute cuter cutestlarge larger largest3 以辅音字母 y结尾的变y为i er或est如 easy easier easiesthappy happier happiest 4 重读闭音节 单辅音结尾的 双写这个辅音字母 er或est的词 fat fatter fattest thin thinner thinnest hot hotter hottest red redder reddest wet wetter wettest big bigger biggest 5 多音节和部分双音节的词需要在形容词原级前 more构成比较级 themost构成最高级 如 beautiful morebeautiful themostbeautiful又如 delicious popular important interesting expensive等 注意 下列情况词前加more most1 ed和 ing构成的形容词pleased morepleased themostpleasedtired moretired themosttiredtiring moretiring themosttiring2 ful less构成的形容词 ly构成的副词careful morecareful themostcarefuluseful moreuseful themostusefulhappily morehappily mosthappily3 部分双音节形容词 often serious famoushonest athlete 身体强健的 b 不规则变化 good well better bestbad badly ill worse worstmany much more mostfar farther farthest 距离远 further furthest 程度深 old elder eldest 长幼 older oldest 年龄 比较级考点1 比较级修饰问题alittle abit even still much alot far等可修饰比较级 e g TomisalittletallerthanJim Thisbookismuchmoreinterestingthanthatone 中考链接 2 同类比较e g TheweatherinBeijingiscolderthanthatinXi an Ourschoolisbiggerthanyours 3 the 比较级 ofthetwo 名词 twins等e g Lucyisthefatterofthetwogirls 4 隐性比较 没有than的情况 e g Whorunsfaster LucyorLily You dbettercomeearliernexttime Heworkedhardlastterm butheworksevenharderthisterm 5 比较级 and 比较级 越来越 harderandhardermoreandmorebeautifulIt sgettingcolderandcolder 6 the 比较级 主谓 the 比较级 主谓 越 就越 Themoreyouexercise thebetteryouare Theearlierkidslearntobeindependent thebetterit sfortheirfuture 最高级注意事项 2 形容词最高级前必须用the副词最高级前可以省略theOfalltheboyshecame the earliest 3 最高级前有限定词 形容词性物主动词 名词所有格 指示代词 时 不在用theHeis mybestfriend A theB aC 1 最高级 用于三者或三者以上的比较 the 形容词的最高级 of in e g Tomistheheaviestinourclass Heisthemostpopularinourschool C 最高级中考考点 范围问题 有in of短语 用最高级e g Tomisthetalleststudentintheclass Springisthebestseasonoftheyear 之一 问题 oneofthe 最高级 名词复数e g Beijingisoneofthebiggestcitiesintheworld the 序数词 最高级 次高级 e g Ithinkheisthesecondtallestboyinhisclass 3 比较级和最高级的转换e g Tomisthetalleststudentintheclass Tomistallerthananyotherstudentintheclass Tomistallerthantheotherstudentsintheclass Tomistallerthananyoneelseinhisclass NootherstudentsaretallerthanTom 总结 比较级 than anyother 名词单数theother 名词复数 in短语anything anyoneelse the 最高级 名词 in短语 注意 若比较的对象不在同一范围内 则无需加other或else 3 同级比较 as adj adv 原级 as 和 一样 e g SheisasthinasLily HewritesascarefullyasLinda not as so adj adv 原级 as less 原级 than 不及 e g Tonydidn trunsofastasCarter TonyranlessfastthanCarter 1 Ourfamilyhasboughtacarsowecantravel thanbefore mosteasilyB lesseasilyC easilyD moreeasily2 Myfathertoldmeastorylastnight Itis oneI veeverheard thefunniestB funniestC funnierD thefunnier 链接中考 D A 3 The friendsyouhave the youwillbe A more happyB many happyC more happierD many happier4 Whenheheardacryforhelp heranoutas ashecould hardlyB quicklyC finallyD slowly C B 5 ThisplaceisnotbigenoughforLucy sbirthdayparty Weshouldfinda one bigB smallC biggerD smaller C Fillintheblankswiththecorrectformsofthewordsinthebox bigmuchpopularlongoldhigh 1 TheAmazonRiverisoneofthe riversintheworld It salittle thantheYangtzeRiver 2 Qomolangmais8 844 43meters It soneofthemost placesforseriousmountainclimbers longest longer high popular 4a 3 Nooceanintheworldisas asthePacificOcean 4 AlthoughJapanis thanCanada itis smaller big older much 太平洋 n 大海 海洋 Writetwocomparisonsabouttwotopics Writetruefacts Tworivers and e g 4b TheYangtzeRiverisalmostaslongastheAmazonRiver TheAmazonislongerthantheYangtze buttheYangtzeRiveristhelongestriverinChina theYangtzeRiver theAmazonRiver Exercises 1 Sheis than A busier weB busier usC morebusy usD morebusy we2 Janeis thanBetty A lesstallerB lesstallestC lesstallD notastall3 Chinais countryintheworld A thethirdlargestB thelargestthirdC thethirdlargeD athirdlargest B C A 4 Whichis seasoninBeijing Ithinkit sautumn A goodB betterC bestD thebest5 Whichis thesun themoonortheearth Themoonis smallB smallerC smallestD thesmallest D D 6 IstudyEnglishas asmybrother A hardB harderC hardest7 Whichis abicycleoracomputer A expens