2014下 6上U9This bird is bigger than the first one.

Unit9Thisbirdisbiggerthanthefirstone.更大的bigger更大的bigbiggest大的最大的biggerbigThefirstappleisbiggerthanthesecondone.smallsmallerThesecondappleisbiggerthanthefirstone.AisbiggerthanB.BissmallerthanA.than比ThesecondbirdisbiggerthanthefirstoneThefirstisbig.Thethirdbirdisthebiggestthantall-taller-tallest高的更高的最高的short–shorter-shortest矮的比AistallerthanB.BisshorterthanA.thanheavy重的-heavierthin瘦的–thinner比fat胖的-fatterthan比thin瘦的–thinnerfat胖的-fatterheavy重的-heavier-heaviestthin瘦的–thinnerfat胖的-fatterthin瘦的–thinner-thinnestfat胖的-fatter-fattestAisheavier/fatterthanB.BisthinnerthanA.形容词的三级：原级：人或物之间没有比较比较级：两个(方面)之间,一个比另一个更突出.最高级：三个或三个以上,其中一个最突出.原级比较级最高级talltallertallestfinefinerfinesthappyhappierhappiestbigbiggerbiggestHelenMaryJaneTonyAlanJohnbigbiggerbiggestlonglongerlongestshortshortershortestMike’shairTom’shairTim’shairtalltallertallestbigbiggerbiggestbigbiggerbiggest