形容詞變副詞通常是加ly,其變化有規(guī)律可循,請記住以下口訣:
一般直接加,“元e”去e加,“輔y”改i加,“l(fā)e”結尾e改y。
分別舉例如下:

quick-quickly; true-truly; happy-happily;pssible-possibly
具體規(guī)則如下:
1.一般情況下直接加“l(fā)y”,如:
quick-quickly; polite-politely; sad-sadly;imediate-immediately; recent-recently
2.少數(shù)以e結尾的形容詞,要去掉e再加-ly。如:true-truly;due-duly
絕大多數(shù)輔音字母加e結尾的形 容詞直接加-ly。如:
polite-politely; wide-widely;wise-wisely;nice-nicely
3.以“y”結尾的,且讀音為 / i/,先將“y”改成“i”,再加“l(fā)y”,如:
happy-happily; heavy-heavily;angry-angrily; busy-busily
但是如果讀音為 / ai /,直接加ly,如:dry-dryly;sly-slyly; shy---shyly
4.以ic結尾的詞,加ally,如:
economic-economically; basic-basically;scientific-scientifically; automatic-automatically;energetic-energetically;但是public-publicly例外。
5.以輔音字母加le結尾時,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時加ly,如:sole-solely。但是whole-wholly例外。
6. 以-ll結尾時,只須加–y,如:dull-dully;shrill-shrilly
需注意:有些以ly結尾的詞是形容詞而非副詞。如:
friendly people; motherly care; lovely dog; monthlyexam; heavenlypeace; amanly sport
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