✔ 最佳答案
It's + adj + of + noun/pronoun + to-infinitive 的of 是describe人的
eg. It is kind of you to help me. 在這, kind是describe你好好人.
It is careful of them to read the instructions first. careful是describe they 好小心
Usually , 如果adj是describe 人的話，是用of 的
eg. kind, clever , nice, greedy, careful ,naughty, brave ,generous etc
It's + adj + for + noun/pronoun + to-infinitive for 是describe thing 的
eg It is important for you to study hard. important在這是describe study hard 是重要
It is easy for me to look after a goldfish.
usually , adj describe thing 的時候是用for
eg. important , possible , easy, difficult, wonderful etc
例題
It's necessary ________(for/of) you to think about your money.
是用for, 因為necessary 是describe think about your money
2007-12-01 19:30:21 補充：
而且necessary 是describe thing 的adj.
