busy -busier -busiest

noisy -noisier -noisiest

cool -cooler -coolest

friendly -more friendly -most friendly

heavy-heavier - heaviest

nice - nicer- nicest

old - older - oldest

safe - safer-safest

small-smaller -smallest

wet - wetter - wettest

famous - more famous - most famous

good -better -best

beautiful -more beautiful - most beautiful

popular - more popular -most popular

crowded - more crowded - most crowded

bad -worse -worst

cold - colder - coldest

foggy -foggier-foggiest

1.angry--angrier--angriest 2.bad--worse--worst 3.early--earlier--earliest 4.good--better--best 5.little--less--least 6.tall--taller--tallest 7.small--smaller--smallest 8.fat--fatter--fattest 9.well--better--best 10.dry--drier--driest 11.heavy--heavier--heaviest 12.red--redder--reddst 13.new--newer--newest 14.expensive--more expensive--the most expensive 15.young--younger--youngest 16.thin--thinner--thinnest

weak: weaker, weakest

angry: angrier angriest

famous: more famous, most famous

far: further furthest

quick: quicker quickest

early: earlier earliest

ill iller illest

free freer(freeer这个不常用) freest

calm calmer calmest

wild wilder wildest

serious more serious most serious

athletic more athletic most athletic

necessary more necessary most necessary

绝对正确，如果满意的话，别忘了采纳我奥，O(∩_∩)O谢谢，祝你学习进步！