1形容词加er的规则:①一般的直接在词尾加er,如tall-taller,strong-stronger,②以e结尾的,直接加r,如fine-finer,③以辅音字母加y结尾的,先改y为i再加er,如funny-funnier④以结尾,双写最后的字母再加er,如big--bigger,thin--thinner,hot–-hotter,sad--sadder,fat—fatter另外多音节词,在多音节词前加more如:beautiful--morebeautiful,expensive--moreexpensive除此之外,还有几个特殊的单词,它的比较级和最高级都是不规则。如:many/much(原形)-more(比较级)-most(最高级)little/few(原形)-less(比较级)-least(最高级)good(原形)-better(比较级)-best(最高级)bad(原形)-worse(比较级)-worst(最高级)far(原形)--further--furthest一、请写出下列形容词的比较级和最高级。big____________small______________new______________tall____________short______________old______________weak____________strong____________fat______________hot____________cold______________thin______________nice___________good______________high______________bad____________much______________low______________well____________far______________little______________cheap____________easy______________ugly______________heavy____________cute______________fine______________early___________tidy______________bright______________large____________happy_____________pretty______________young______________wet____________long_____________clean______________dirty___________lovely_______________famous__________________boring_______________________interesting__________________important____________________delicious___________________2二、用形容词的适当形式填空。1.Fredisthe__________(short)inhisclass.2.Mybookis________(new)thanmysister’s.3.Thatpieceofchickenisthe___________(heavy)inthefridge.4.Herruleis______(long),andit’sthe_______(long)ofoursall.5.Isafish_________(thin)thanabird?6.Arosetreeisn’t_______(short)thanapeartree.7.Theleopardcanrun_______(fast),butthecheetahcanrun_____(fast)thanit.Itcanrun________(fast)intheworld.8.Isshethe________(old)womanintheworld?9.Whichis_______(big),adinosaurorabluewhale?Thebluewhaleis_________(big)thanadinosaur,itisthe_______(big)animalintheworld.Andelephantisthe________(big)animalonland.10.Myfatherleaveshome_______(early)thanme.11.Thiszooismuch_______(good)thantheoldone.12.Mybrotherismuch_______(tall)thanmycousin.13.Theshoeshopis_________(near)thepark.14.Thisbagisvery________(heavy),butthatoneis_______(heavy)thanthisone.It’sthe________(heavy)ofall.15.Jiaminis_______(tall).ButYongxianis_______(tall)thanhim.16.Ourlibraryhas________(many)booksthanbefore.17.Isingthe_________(good)inclass.18.Thewomanisthe________(fat)ofthethree.19.Thecatis_________(fast),thehorseis_______(fast)thanthecat.Theleopardisthe_______(fast)ofthethree.20.Chinesehomeworkis________(easy).Mathshomeworkis_______(easy)thanit.AndEnglishhomeworkisthe______(easy)ofall.21.Whichis___________(heavy),atiger,alionorabear?22.Whojumps________(high),akangaroooramonkey?