英语形容词，名词，动词，副词互变方法规律
一．名词变形容词：
1．名词后加-y,如：
luck→lucky,cloud→cloudy;wind→windy;rain→rainy;
sun→sunny,snow→snowynoi-noisyhealth→healthy
2．在名词后加-ly,如：
friend→friendlylove→lovelyday→daily
3．方位名词加-ern，如：
我家后院
east→easternwest→western
south→southernnorth→northern
二．动词变形容词
1.词尾加ful:
u-uful,care-careful,help-helpful,
thank-thankfulpeace-peaceful,
forget-forgetful,play-playful,
八本最强阵型succeed-successful,wonder-wonderful
2.词尾加d或ed:
plea-plead,unite-united,excite-excited,
surpri-surprid,organize-organized,clo-clod,
wound-wounded,relax-relaxed,develop-developed,
appreciate-appreciated,frustrate-frustrated,
interest-interested,annoy-annoyed,u-ud,
和田玉青花
frighten-frightened,crowd-crowded,thrill-thrilled,
pollute-polluted
3.词尾加ing:
interest-interesting,
surpri-surprising,
excite-exciting
develop-developing,
frighten-frightening,
thrill-thyrilling
frustrate-frustrating,
relax_relaxing,
live-living
rock-rocking,
sleep-sleeping
4.词尾变y为i,加ed:
电脑芯片worry-worried,marry-married,fry-fried,terrify-terrifiedsatisfy-satisfied
5.词尾加able:
know-knowledgeable,enjoy-enjoyabe,suit-suitable，adjust-adjustable,comfort-comfortable
6.其它：
lo-lost,fool-foolish,live-lively
sleep-sleepy/sleeping/asleep,wake-awake,taste-tasty
speak-spoken,break-broken,die-dead,educate-aducational,
world-worldwide
三．形容词变副词规律小结
例词
1.大部分形容词加ly
careless----carelessly
quiet----quietly
different----differently
2.以记成语le结尾的形容词变le为ly
possible----possibly
terrible----terribly
comfortable----comfortably
gentle----gently
simple----simply
3.以y结尾的形容词
变y康熙为什么要杀施琅为ily
easy----easily
angry----angrily
noisy----noisily
happy----happily
heavy----heavily
healthy----healthily
不规则变化
本身既是形容词也是副词，无需改变
fast----fast
汽车销售工作内容early----early
high----high
hard----hard
late----late
far----far
wide----wide
alone----alone
形容词和副词为完全不同的单词
good----well
需要去掉字母e的单词
true----truly
gentle----gently
terrible----terribly
虽然以ly结尾，但却是形容词，不能直接用来修饰动词
friendly
lively
lovely
lonely
Likely
有些形容词本身即为副词，同时也有加ly的副词形式。但加不加ly意思不一样，使用时需注意
wide(形容词，宽阔的，睁大的)----wide(副词，睁大地)/widely(副词，广泛地),
late(形容词，晚的)-----late(副词，晚地)，lately（最近）
high(形容词，高的)----high(副词，高地)/highly(副词，高度地)
特别容易犯错的副词
形容词-----副词
备注
hard副词容易写成hardly,hardly意思为“几乎不”，与busy的比较级hard无任何关系
friendly
不能用friendly直接修饰动词，只能改成inafriendlyway“用一种友好的方式”。如：
Hesmiledatmeinafriendlyway.
Excited------excitedly
容易拼错
Healthy-----healthily
容易拼错
Polite-------politely
不用去掉字母e。类似的词还有：widely,nicely,cloly,
