英語人教版八年級(jí)下冊Unit 7Grammar focus 4a-4c.ppt

Unit7What sthehighestmountainintheworld SectionA3Grammarfocus 4c Grammerfocus 比較級(jí) 最高級(jí)的構(gòu)成規(guī)則 1 規(guī)則變化一般情況下 單音節(jié)或雙音節(jié)的形容詞 副詞比較級(jí) er 最高級(jí) est clever cleverer cleverestfew fewer fewestsmall smaller smallest等 形容詞 副詞的比較級(jí)和最高級(jí) 2 以e結(jié)尾的詞 比較級(jí) r 最高級(jí) st即可 nice nicer nicestcute cuter cutestlarge larger largest3 以輔音字母 y結(jié)尾的變y為i er或est如 easy easier easiesthappy happier happiest 4 重讀閉音節(jié) 單輔音結(jié)尾的 雙寫這個(gè)輔音字母 er或est的詞 fat fatter fattest thin thinner thinnest hot hotter hottest red redder reddest wet wetter wettest big bigger biggest 5 多音節(jié)和部分雙音節(jié)的詞需要在形容詞原級(jí)前 more構(gòu)成比較級(jí) themost構(gòu)成最高級(jí) 如 beautiful morebeautiful themostbeautiful又如 delicious popular important interesting expensive等 注意 下列情況詞前加more most1 ed和 ing構(gòu)成的形容詞pleased morepleased themostpleasedtired moretired themosttiredtiring moretiring themosttiring2 ful less構(gòu)成的形容詞 ly構(gòu)成的副詞careful morecareful themostcarefuluseful moreuseful themostusefulhappily morehappily mosthappily3 部分雙音節(jié)形容詞 often serious famoushonest athlete 身體強(qiáng)健的 b 不規(guī)則變化 good well better bestbad badly ill worse worstmany much more mostfar farther farthest 距離遠(yuǎn) further furthest 程度深 old elder eldest 長幼 older oldest 年齡 比較級(jí)考點(diǎn)1 比較級(jí)修飾問題alittle abit even still much alot far等可修飾比較級(jí) e g TomisalittletallerthanJim Thisbookismuchmoreinterestingthanthatone 中考鏈接 2 同類比較e g TheweatherinBeijingiscolderthanthatinXi an Ourschoolisbiggerthanyours 3 the 比較級(jí) ofthetwo 名詞 twins等e g Lucyisthefatterofthetwogirls 4 隱性比較 沒有than的情況 e g Whorunsfaster LucyorLily You dbettercomeearliernexttime Heworkedhardlastterm butheworksevenharderthisterm 5 比較級(jí) and 比較級(jí) 越來越 harderandhardermoreandmorebeautifulIt sgettingcolderandcolder 6 the 比較級(jí) 主謂 the 比較級(jí) 主謂 越 就越 Themoreyouexercise thebetteryouare Theearlierkidslearntobeindependent thebetterit sfortheirfuture 最高級(jí)注意事項(xiàng) 2 形容詞最高級(jí)前必須用the副詞最高級(jí)前可以省略theOfalltheboyshecame the earliest 3 最高級(jí)前有限定詞 形容詞性物主動(dòng)詞 名詞所有格 指示代詞 時(shí) 不在用theHeis mybestfriend A theB aC 1 最高級(jí) 用于三者或三者以上的比較 the 形容詞的最高級(jí) of in e g Tomistheheaviestinourclass Heisthemostpopularinourschool C 最高級(jí)中考考點(diǎn) 范圍問題 有in of短語 用最高級(jí)e g Tomisthetalleststudentintheclass Springisthebestseasonoftheyear 之一 問題 oneofthe 最高級(jí) 名詞復(fù)數(shù)e g Beijingisoneofthebiggestcitiesintheworld the 序數(shù)詞 最高級(jí) 次高級(jí) e g Ithinkheisthesecondtallestboyinhisclass 3 比較級(jí)和最高級(jí)的轉(zhuǎn)換e g Tomisthetalleststudentintheclass Tomistallerthananyotherstudentintheclass Tomistallerthantheotherstudentsintheclass Tomistallerthananyoneelseinhisclass NootherstudentsaretallerthanTom 總結(jié) 比較級(jí) than anyother 名詞單數(shù)theother 名詞復(fù)數(shù) in短語anything anyoneelse the 最高級(jí) 名詞 in短語 注意 若比較的對(duì)象不在同一范圍內(nèi) 則無需加other或else 3 同級(jí)比較 as adj adv 原級(jí) as 和 一樣 e g SheisasthinasLily HewritesascarefullyasLinda not as so adj adv 原級(jí) as less 原級(jí) than 不及 e g Tonydidn trunsofastasCarter TonyranlessfastthanCarter 1 Ourfamilyhasboughtacarsowecantravel thanbefore mosteasilyB lesseasilyC easilyD moreeasily2 Myfathertoldmeastorylastnight Itis oneI veeverheard thefunniestB funniestC funnierD thefunnier 鏈接中考 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