名词变成形容词：
1．名词后加-y,如：
luck→lucky,cloud→cloudy; wind→windy; rain→rainy;
sun→sunny,snow→snowy noise-noisy health→healthy
2．在名词后加-ly,如：
friend→friendly love→lovely day→daily
3．方位名词加-ern,如：
east→eastern west→western south→southern north→northern
形容词后缀
（1）带有“属性,倾向,相关”的含义
1)-able,-ible,movable,comfortable,applicable,visible,responsible
2)-al,natural,additional,educational
3)-an,ane,urban,suburban,republican
4)-ant,-ent,distant,important,excellent
5)-ar,similar,popular,regular
6)-ary,military,voluntary
7)-ice,-atie,ical,politic,systematic,historic,physical,
8)-ine,masculine,feminine,marine
9)-ing,moving,touching,daring
10)-ish,foolish,bookish,selfish
11)-ive,active,impressive,decisive
12)-ory,satisfactory,compulsory
13)-il,-ile,-eel,fragile,genteel(文雅的)
(2) 表示“相象,类似”的含义
1)-ish,boyish,childish
2)-esque,picturesque
3)-like,manlike,childlike
4)-ly,manly,fatherly,scholarly,motherly
5)-some,troublesome,handsome
6)-y,milky,pasty
(3) 表示“充分的”含义
1)-ful,beautiful,wonderful,helpful,truthful
2)-ous,dangerous,generous,courageous,various
3)-ent,violent,
(4) 表示由某种物质形成,制成或生产的含义
1)-en,wooden,golden,woolen
2)-ous,gaseous
3)-fic,scientific
(5) 表示方向的含义
1)-ern,eastern,western
2)-ward,downward,forward
(6) 表示“倍数”的含义
1)-ble,double,treble
2)ple,triple
3)-fold,twofold,tenfold
(7) 表示“数量关系”的含义
1)-teen,thirteen
2)-ty,fifty
3)-th,fourth,fiftieth
(8) 表示国籍,语种,宗教的含义
1)-an,Roman,European
2)-ese,Chinese,
3)-ish,English,Spanish
(9) 表示“比较程度”的含义
1)-er,greater
2)-ish,reddish,yellowish
3)-est,highest
4)-most,foremost,topmost
(10)其他的含义
-less,表示否定,countless,stainless,wireless
这是我在百度上帮你查的.其他词性变化规律你可以查找“英语动词怎么变名词”等等.
网上这些方面的知识已经很全了.
