形容词的比较级（PEPBook8Unit1Howtallareyou？）形容词比较级的用法1、形容词比较级：在英语中，两者进行比较，强调"一方比另一方……"，可使用"形容词比较级＋than"结构2、需要掌握的形容词比较级的形式：tall,taller,short,shorter,old,older,young,younger,strong,stronger,heavy,heavier,long,longer,thin,thinner,big,bigger,small,smaller.3．语法归纳（形容词比较级）情况加法例词一般情况加ersmall---smaller以e结尾的词加rlarge--largereasy--easier以辅音字母+y结尾的词变y为i，再加er以一个辅音字母结尾的词将这辅音字母双写再加erhot―hotterthin--thinner形容词比较级的练习I.Writetheanswers.（根据题意，写出答案。）1.Theblackdogis_____(thin)thanthewhitedog.2.Thisballoonis_____(big)thanyours.3.Mybagis_____(heavy)thanyours.4.Johnis_____(strong)thanMike.5.Iam_____(short)thanLucy.II.用所给词的正确形式填空，每词用一次。Younglongtallheavyoldthin1.Monkey’stailisthantherabbit’stail.thanNina.2.Dickis11yearsold.Ninais12yearsold.Dickis3.I’m140cm.thanyou.4.I’m40kg.You’re42kg.I’m5.HowIII.选择填空。1.Howheavyareyou?__________.A.I’m48yearsold.B.I’m48kg.areyou?I’m45kg.C.I’m48cm.2.Tomis120cm.Jackis__________.Thanhim.A.tallB.tallerC.heavier3.Howheavyisthewhale?__________.A.It’sstrong.B.It’sheavier.C.It’s3600kg.A.oldB.olderC.taller4.How__________areyou?5.Themonkeyhasa__________tail.6.Howbigareyourfeet?_________.A.tallB.longC.longerA.IwearSize17.B.I’mbiggerthanyou.C.I’m17bigger.7.Jimis40kg.Tomis38kg.Tomis________thanJim.A.tallerB.thinnerC.heavier8.I’m11yearsold.Mysisteris2yearsolderthanme.Sheis________.9.Iam________thanmyaunt.A.strongB.bigC.shorter10.Myfatheris________thanmygrandpa.A.olderB.youngerC.smallerIV.选出形容词的比较级形式TallthinV.连词成句。1.your,is,big,roomhow____________________________________________2.I’m,than,taller,6cm,you____________________________________________3.mypencil,longer,yours,is,than______________________________________4．Tall,21,I，,am,meters_______________________________________________strongheavyoldbig-