形容词比较级和最高级的详细讲解

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1、8AUnit1Grammar一、形容词比较级和最高级的构成原则：1、大多数词后加er或est2、以字母e结尾的词后加r或st如：finenicelargecutelate3、以一个辅音字母结尾的重读闭音节词，双写最后一个辅音字母再加er或est如：bigslimwetredfathotthinsad4、以辅音字母加y结尾的词，去掉y，再加er或est如：easyprettyhappybusyhealthylazyheavyfunnyearlytidythirsty5、以---ous/---ful/---less/---ing/---ed/--

2、-ly等结尾的多音节词和双音节词加more或most如：famousgeneroushumorousdangerousbeautifulcarefulhelpfulusefulcarelesshelplesshopelessuselessinterestingexcitingamazingboringtiringinterestedexcitedamazedboredtiredquicklycarefullyhealthilyluckily●注意：①部分前面加more或most的双音节词有：patienthonestspecialoften②

3、部分既可以加er/est也可以加more/most的双音节词有：cleverpolitesimplestupid6、一些不规则变化的单词：good/well---better---bestbad/badly/ill---worse---worstmany/much---more---mostlittle---less---leastold---older/elder---oldest/eldestfar---farther/further---farthest/furthest二、形容词比较级的用法：1、A+动词+比较级+thanBe.g.T

4、hepictureismorebeautifulthanthatone.2、疑问词+动词+比较级，AorB？e.g.Which（city）isbigger，WuxiorSuzhou?3、the+比较级+ofthetwoe.g.TheprettierofthetwogirlsisLily.Themorebeautifulofthetwinsistheeldersister.4、even,much,far,no,any,alittle,alot,still+比较级e.g.evenworse,muchmoreimportant(mucholder)

5、,nomore(not…anymore)Thisstoryisfarmoreinterestedthanthatone.I’mtootired.Ican’twalkanyfarther.5、时间，倍数或年龄+比较级e.g.MyelderbrotheristwoyearsolderthanI.=Iamtwoyearsyoungerthanmyelderbrother.Thesunis13,000,000timeslargerthantheearth.Igottoschoolfiveminutesearlier/laterthanTom(did)

6、.6、“比较级+and+比较级”表示“越来越……”3e.g.Heisgettingfatterandfatter.Ourcountryisbecomingmoreandmorebeautiful.7、“the+比较级（主语+谓语），the+比较级（主语+谓语）”表示“越……(就)越……”e.g.Thesooner,thebetter.Themorecarefulyouare,thefewermistakesyouwillmake.●注意点：1、比较的两个对象要一致（人比人，物比物）。e.g.Mybagisbiggerthanher.(╳)My

7、bagisbiggerthanhers.(√)2、前后比较的对象性质或形式要相同，或者为避免重复，单数或不可数名词用that代替，复数名词用those代替。e.g.Inwinter,theweatherinHainaniswarmerthanthat/theweatherinBeijing.Theapplesonthistreeareredderthanthose/theapplesonthatone.Pickingapplesismoreinterestingthanplantingtrees.Itisbettertogivethantor

8、eceive.3、more只能用来构成比较级而不能修饰比较级。e.g.Thisbikeismorenewerthanthatone.(╳)Thisbikeismuc