副词的构成
1、形容词+ly
sad—sadlyimpolite—impolitely
2、以y结尾的形容词将y变成i再加ly
happy—happilybusy—busily
3、以le结尾的形容词直接去e加y
gentle—gentlyterrible—terribly
4、以ll结尾的形容词直接加y
dull—dullyshrill—shrilly
5、以ic结尾的形容词加ally
electric—electricallybasic—basically
6、介词或地点名词+wards
downwards,upwards,southwards,onwards,forwards
7、名词+wise
weatherwise就天气来说moneywise在金钱方面lengthwise纵向地clockwise顺时针方向
8、以a-开头的既可作形容词又可作副词:
alike,alone,amiss,aslant,astray,afloat,adrift,afire,但有的只能作副词：
awhile，around，anew，aloud，aloft，ahead，abroad
9、与形容词同形的副词
fasthardhighjustlateloudprettyslowstraightstraightwellwide