（英语）比较级哪些是+er(或-y+ier),哪些是+more,哪些是特别的,怎么区分

一般都加er
结尾是e的就只要加r
结尾是y的就改y为i加er
这很好区分
加more的一般就是多音节
还有一些特殊的就一定要记了
不过也不用死记
多做练习之后自然会记住
举一些例子 体会一下
1.直接加er
tall short long near small few late hard cheap high smart
2.直接加r
wide cute white
3.双写加er
fat hot thin big red
4.改y为i加er
heavy busy lazy healthy early hungry angry
5.加more
good-looking beautiful unfriendly careful dangerous expensive difficult black
6.特殊
far(farther farthest/futher furthest)
good fine well (better best)
bad (worse worst)
many(much most)
little(less least)