比较级及比较结构ppt

Beslowischoosingafriend,slowerinchanging.Agoodbookisthebestoffriends,thesametodayandforever.Afriendiseasierlostthanfound.1形容词和副词☺的比较等级2比较☺结构3关于比较结构用法的补充说明☺比较等级和比较结构形容词规则形式☺ATitle副词规则形式☺BTitle不规则☺CTitle三音节及以上双音节单音节综合形式

Kindclearoldcoldlong分析形式InstructiveBeautifulDifficultcomplicatedcontemptible两种形式Tender，Clever以-y，-ow结尾的综合形式HappyPrettyNarrowshallow综合形式（SyntheticForm)：-er,-est分析形式☺（AnalyticForm）:加more，mostFastHardSoonlate单音节:综合形式以–ly

结尾：☺分析形式ClearlyWiselyFrugallyoften少数不规则☺BadGoodWelloldFarMuchBadlywellAs…as☺1.More…than☺2.Themost…☺3.三种结构基本模式：as+形容词或副词原级+as-分句JohnisasbrightasBob.JohnbehavesaspolitelyasBob(does).否定形式：Johnisnotas/sobrightasBob.Johndoesnotbehaveas/sopolitelyasBob.还可以用less…than结构来表示否定：JohnislessbrightthanBob.JohnbehaveslesspolitelythanBob.As…as结构☺基本模式：形容词或副词比较级+than-分句JohnisbrighterthanBob.JohnbehavesmorepolitelythanBob.否定形式：①less…than②notso/as…asMore…than结构☺基本结构：(the)+形容词/副词最高级+比较范围Johnisthebrightestofthethreeboys.Ofthethreeboysjohnbehaves(the)mostpolitely.Themost…结构☺在as…as

结构中，通常是主句主语和分句主语不同，而比较项目相同:☺JohnisasbrightasBob(is).有时也可能主语相同，而比较项目不同：☺Theswimmingpoolisaswideasitislong.也可能两个主语和两个比较项目都不同：Theswimmingpoolisn’ttwiceaswideasthatoneislong.另一种模式：asmuch/many（限定词）+名词+as-分句Hetookasmuchbutterasheneeded.否定形式：Hedidn’ttakeso/asmuchbutterasheneeded.另一个变体：as+形容词原级+@名词词组+as-分句Georgeisasefficienta☺workerasJack.=Georgeisaworker(whois)as☺efficientasJack.☺读起来调核（nucleus）位置不同：变体中，名词；基本形式，形容词。@不定冠词+单数名词or零冠词+不可数名词☺①的使用没有②那样频繁。有时，①听起来不够自然，另一种方法：Thisstreetislesswidethanthatone.Thisstreetisnarrowerthanthatone.BillspeaksFrenchlesswellthanhewritesit.BillspeaksFrenchworsethanhewritesit.另一种模式：限定词more/less/fewer+名词+than–分句Shehaswrittenmoreessaysthanhe.变体：不定冠词/零冠词+形容词比较级+名词+than–分句JohnisamoreefficientworkerthanJack.转换为：名词词组+more…than结构JohnisaworkermoreefficientthanJack.定冠词+形容词或副词比较级+of–词组(只用于两者之间的比较）Johnisthebrighterofthetwoboys.More/less还可用作代词，与某些可等级名词(gradablenoun)搭配Heismore/lessofasportsmanthanhisbrother.=Heismore/lesssportsmanlikethanhisbrother.☺比较级范围不表示的情况：在一定上下文中A:Sixjuicyoranges,please.B:Theseareourjuiciest.有些最高级结构并不是和其他事物相比Pleaseacceptmydeepestgratitude.Ishalldoitwiththegreatestpleasure.表示最高级的相反意义，theleast…结构ThisistheleastdifficultbookI’veeverread.在实际使用上常用最高级ThisistheeasiestbookI’veeverread.其他结构：More…thanGeorgedidmoreworkthismorningthananyoneelse.=Georgedidthemostwork.As…asNothinginmylifeshookmesodeeplyasmyfirstvisittoChina.=MyfirstvisittoChinashookmethemostdeeply.否定词+比较级Ilikenothingbetter.=It’sthebestthingIlike.☺more…than结构的其他用法☺notso…as与notsomuch…as☺notmore/-erthan与nomore/-erthan☺themore…themore与moreandmore☺①Theconcertwasmoreenjoyablethanthelecture.②Thelivingroomislargerthanthediningroom.③Johnismoredaringthanquick-witted.④Georgeismoreintelligentthanaggressive.⑤Thepresentcrisisismuchmoreapoliticalthananeconomiccrisis比较五句中的不同用法☺Londonisn’tsolargeasTokyo.Itwasn’tsomuchhisappearanceIlikedashispersonality.☺JohnisnotbetterthanTom.JohnisnobetterthanTom.Nonicerthan=aspoorasNobiggerthan=assmallasNolaterthan=asearlyas☺Themore…themore表示“越……越……”Th