用以修饰名词，表示事物的特征的词。e.g.long,empty,cheap,hungry,etc.在句中作定语、表语、宾语补足语等成分．e.g.Heisagoodstudent.Ihavesomethingimportanttotellyou.当形容词奘斡蓅ome-,any-,no-,every构成的不定代词时,形容词要放在这些不定代词的之后.e.g.Isthereanythinginterestingintoday’snewspaper?Thetreesturngreeninspring.Wearealoneontheisland.只能作表语，不能作定语的形容词你能说出几个？aloneafraidawakeasleepaliveable形容词和宾语一起构成复合宾语．e.g.Wemustkeeptheclassroomclean.Hemadeushappy.Colouritgreen.Let’sfillintheblanks,tallest比较最高hardest化tallerharder原级largerwiderlargestwidest级biggest级biggerhardtallhotter单音节词在词尾加-er(比较级)或hottestfattestfatterwetterest(最高级)以字母e接尾的词加-r或-largewidewettesthappiestst词尾变happierdrierdriestearliestbighot以重读闭音节结尾的词末尾只有一earlier个辅音字母应双写辅音字母再加erthinfatwetnarrowest或estmostdifficultnarrowercleverest以辅音字母+y结尾的词变为i再加-er,happydrypopularmostearlymoreclevererdifficult或-estmostslowlymorepopularnarrow少数以-er,-ow结尾的双音节clevermoreslowly词可加-er或-est多音节词和多数双音节词在其前面加more和mostdifficultpopularslowly原级goodwellbadillmanymuchlittlefarold比较级最高级betterworsemorebestworstmostlessleastfarther/furtherfarthest/furthestolder/elderoldest/eldest巧记：特殊形式比较级共有三对二合一坏病两多并两好little意思不是小一分为二有两个一是老来二是远as+形容词原形+asTomisastallasMike.TomisthreetimesasoldasMike.Thereareasmanystudentsinourschoolasyours.否定notas+形容词原形+as“和…不一样”或notso+形容词原形+as“不及／不如…TomisnotastallasMike.TomisnotsotallasMike.so+形容词原级+that丛句such+名词＋that丛句Heissobigthathecan’tentertheroombythedoor.…too+原级+todosth.Heistooyoungtojointhearmy.形容词原级+enoughtodosth.Thistruckisbigenoughtocarry5tons.比较级+than…Ourschoolislargerthantheirs.Thisbridgeislongerthanthatone.表示两者之间难≡瘢墒褂?“Whichis+比较级，…or…?”Whichislonger,thisoneorthat?表示不及另一方时，使用“less+原级+than…”Thisparkislessbeautifulthanthatone.“The+比较级…，the+比较级…”Thesmallerthehouseis,thelessitwillcostustheheat.“…比较级+and+比较级…”Inspring,thedaysaregettinglongerandlonger.…oneofthe+最高级+名词复数LuXunisoneofthegreatestwriterslastcentury.…最高级+of(in)…Ofallthemoviestars,IthinkZhangZiyiisthebest.Thisis/wasthe最高级+名词+that定语从句ThisistheworstfilmthatIhaveseentheseyears.用来修饰动