像这样,当是动词时act,当是名词时action,当是人物时actor,当是形容词时active,当是副词时adverb

1.invent 名词:invention,人物:inventor,形容词:inventive,副词:inventivly
2.use 名词:usage,人物:user,形容词:useful / useless,副词:usefully / uselessly
3.operate 名词:operation,人物:operator,形容词:operative / operational,副词:operativly
4.dream 名词:dreamland / dreaminess,人物:dreamer,形容词:dreamy / dreamless,副词:ly
5.live 名词:life,人物:liver,形容词:living /lively,副词:livelily
6.play 名词:life,人物:liver,形容词:living /lively,副词:livelily
二零一零-07-16 17:58
能不能再多一点（不多的意思）句号.还差一点（不多的意思）
二零一零-07-16 18:52
learn learning 学问 learner learned博学地 learnedly
write writing writer written ly
dress dressing dresser dressed / dressy ly
run running runner runny / running ly
clean cleaning cleaner clean ly
please pleasure -- pleasant / pleasing ly
必须是名词、人物、形容词、副词四种变化都有吗（问的意思） 有很非常多只有三种变化 只清楚的知道这么多了句号.希望能帮到你句号.
二零一零-07-16 18:57
行的意思可以只有三个