形容词变副词通常是加ly,其变化有规律可循,请记住以下口诀:

一般直接加,―元(e)去e加,―辅(y)改i加,le结尾e改y。

分别举例如下:quick---quickly; true---truly; happy---happily; possible----possibly

具体规则如下:

1) .一般情况下直接加―ly,如:

quick---quickly; polite---politely; sad---sadly; immediate---immediately; recent---recently

2). 少数以e结尾的形容词,要去掉e再加-ly。如:

true-truly; due-duly

绝大多数辅音字母加e结尾的形容词直接加-ly。

如:polite-politely; wide-widely; wise-wisely; nice-nicely

3). 以―个y结尾的,且读音为 / i /, 先将―y改成―i,再加―ly,如:

happy---happily; heavy---heavily; angry---angrily; busy---busily

但是如果读音为 / ai /, 直接加ly,如:

dry-dryly; sly-slyly; shy---shyly

4).以ic 结尾的词,加ally,如:

economic---economically; basic---basically; scientific---scientifically; automatic---automatically; energetic---energetically

5).以辅音字母加le结尾时,去e加y,如:

simple---simply; considerable---considerably; terrible---terribly; gentle---gently; possible---possibly; probable---probably; incredible---incredibly

元音字母加le时加 ly,如:sole-solely。但是whole-wholly例外。

6). 以-ll结尾时,只须加 –y,如:

dull---dully; shrill---shrilly

需注意: 有些以ly结尾的词是形容词而非副词。如:

friendly people; motherly care; lovely dog; monthly exam; heavenly peace; a manly sport