...一般在词尾加er 一字母e结尾的加r 把y改为i加er 加most或more 不规...答:直接加er:(单音节形容词)great, tall,cheap,old,young,long,short,warm,cool,near 以e结尾加r:wide,nice,large,cute,fine,safe,late,able 变y为i加er:happy,heavy,early,drt,hungry,pretty,thirsty,busy,lucky,funny 双写辅音字母加er:hot,thin,big,red,fat,wet,sad 加most/more:...