专题：形容词、副词的比较级和最高级
（一）形容词、副词比较级和最高级的构成：
1. 单音节词和少数双音节词比较级和最高级的规则变化：
规则原级比较级最高级1.在词尾后直接加-er/est
talltallertallest
2.词尾是e，只加-r/st
nicenicernicest
3.以辅音字母加y结尾的，把y变i再加-er/esthappyhappierhappiest
4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加-er/estthinthinnerthinnest
5. 其他双音节词或多音节词,在该词前面加-more/most
beautiful—more beautiful—(the) most beautiful
6 ,由形容词加ly构成的双音节词和多音节词,都是在该词前加-more/most.
quickly—more quickly—(the) most quickly
difficultly—more difficultly—(the) most difficultly
4. 不规则变化:
good/wellbetterbest
bad/badlyworseworst
many/muchmoremost
littlelessleast
farfarther/furtherfarthest/furthest
