★ 形容词比较级和最高级的构成：
1.一般在原级后加er 构成比较级,加est构成最高级.
e.g.small smaller smallest
young younger youngest
2.以不发音的字母e 结尾的形容词,直接加r 或st 构成比较级和最高级.
e.g.nice nicer nicest
late later latest
3.以辅音字母+y 结尾的形容词,变y为i ,再加er 或est,构成比较级和最高级.
e.g.busy busier busiest
heavy heavier heaviest
4.在重读闭音节中,末尾只有一个辅音字母的形容词,要先双写这个辅音字母,再加er或est,构成比较级和最高级.
e.g.hot hotter hottest
big bigger biggest
5.个别形容词的比较级和最高级是不规则变化,需个别记忆.
e.g.good (well) better best
bad (badly,ill) worse worst
many(much) more most
little less least
far father farthest
或 further furthest
