名詞變成形容詞：
1．名詞后加-y,如：
luck→lucky,cloud→cloudy; wind→windy; rain→rainy;
sun→sunny,snow→snowy noise-noisy health→healthy
2．在名詞后加-ly,如：
friend→friendly love→lovely day→daily
3．方位名詞加-ern,如：
east→eastern west→western south→southern north→northern
形容詞后綴
（1）帶有“屬性,傾向,相關(guān)”的含義
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,類似”的含義
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”含義
1)-ful,beautiful,wonderful,helpful,truthful
2)-ous,dangerous,generous,courageous,various
3)-ent,violent,
(4) 表示由某種物質(zhì)形成,制成或生產(chǎn)的含義
1)-en,wooden,golden,woolen
2)-ous,gaseous
3)-fic,scientific
(5) 表示方向的含義
1)-ern,eastern,western
2)-ward,downward,forward
(6) 表示“倍數(shù)”的含義
1)-ble,double,treble
2)ple,triple
3)-fold,twofold,tenfold
(7) 表示“數(shù)量關(guān)系”的含義
1)-teen,thirteen
2)-ty,fifty
3)-th,fourth,fiftieth
(8) 表示國籍,語種,宗教的含義
1)-an,Roman,European
2)-ese,Chinese,
3)-ish,English,Spanish
(9) 表示“比較程度”的含義
1)-er,greater
2)-ish,reddish,yellowish
3)-est,highest
4)-most,foremost,topmost
(10)其他的含義
-less,表示否定,countless,stainless,wireless
這是我在百度上幫你查的.其他詞性變化規(guī)律你可以查找“英語動詞怎么變名詞”等等.
網(wǎng)上這些方面的知識已經(jīng)很全了.