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《英語(yǔ)人教版八年級(jí)下冊(cè)Unit 7 Section A Grammar Focus》由會(huì)員上傳分享，免費(fèi)在線(xiàn)閱讀，更多相關(guān)內(nèi)容在應(yīng)用文檔-天天文庫(kù)。
1、SectionA(Grammarfocus—4c)Grammarfocus—What’sthehighestmountainintheworld?—Qomolangma.—HowhighisQomolangma?—It’s8,844.43metershigh.It’shigherthananyothermountain.—Whichisthedeepestsaltlakeintheworld?—TheCaspianSeaisthedeepestofallthesaltlakes.—Didyouknowthat
2、Chinaisoneoftheoldestcountriesintheworld?—Yes,Idid.It’smucholderthantheUS.Step1Grammar形容詞和副詞比較級(jí)和最高級(jí)變化規(guī)則1.規(guī)則變化1)一般情況下，單音節(jié)或雙音節(jié)的形容詞（或副詞）比較級(jí)＋er，最高級(jí)＋est如：clever－cleverer－cleverestfew－fewer－fewestsmall－smaller－smallest等。2)以e結(jié)尾的詞，比較級(jí)＋r，最高級(jí)＋st即可。如：nice－nicer－nicest
3、cute－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－h(huán)appier－h(huán)appiest再如：early,busy,heavy,dirty,lazy也如此。少數(shù)單音節(jié)詞也是這樣，如：pleased－morepleased－themostpleasedtired－moretired－themosttired2.不規(guī)則變化：good—better—bestwell—better—bestbad－
4、worse－worstmany/much—more—mostfar—farther—farthest(距離遠(yuǎn))far—further—furthest(程度深)old—elder—eldest(長(zhǎng)幼)old—older—oldest(年齡)Step2中考鏈接1.比較級(jí)考點(diǎn)①比較級(jí)修飾問(wèn)題alittle,abit,even,still,much,alot,far等可修飾比較級(jí)。e.g.TomisalittletallerthanJim.Thisbookismuchmoreinterestingthanthato
5、ne.②同級(jí)比較e.g.TheweatherinBeijingiscolderthanthatinXi’an.Ourschoolisbiggerthanyours.③the+比較級(jí)e.g.Lucyisthefatterofthetwogirls.④“a/an+比較級(jí)”?表示“又一，再一”e.g.Lilyhasadoll,butshewants?abiggerone.⑤隱性比較（沒(méi)有than的情況）e.g.Whorunsfaster,LucyorLily?You’dbettercomeearliernextti
6、me.Heworkedhardlastterm,butheworksevenharderthisterm.⑥越來(lái)越......a.比較級(jí)+and+比較級(jí)b.the+比較級(jí)+句子，the+比較級(jí)+句子a.e.g.It’sgettingcolderandcolder.Themoreyouexercise,thebetteryouare.2.最高級(jí)考點(diǎn)說(shuō)明：形容詞的最高級(jí)前必須加the;副詞的最高級(jí)前省略the。①范圍問(wèn)題e.g.Tomisthetalleststudentintheclass.Springisth
7、ebestseasonoftheyear.②“......之一”問(wèn)題e.g.Beijingisoneofthebiggestcitiesintheworld.③“the+序數(shù)詞+最高級(jí)”e.g.Ithinkheisthesecondtallestboyinhisclass.3.比較級(jí)和最高級(jí)的轉(zhuǎn)換e.g.Tomisthetalleststudentintheclass.??=Tomistallerthananyotherstudentintheclass.??=Tomistallerthanalltheoth
8、erstudentsintheclass.??=NootherstudentsaretallerthanTom.2.同級(jí)比較①as+adj./adv.+ase.g.SheisasthinasLily.HewritesascarefullyasLinda.②not+as/so+adj./adv.+ase.g.Tonydidn'trunsofastasCarter學(xué)以致用1.Ourfamilyhasbo
