区别在于to有指向性,是矢量;而of是标量,表示状态;相通点都是作名词修饰语或定语,还可以是in,on,off,along等等,说白了就是后置定语的充当成分可以是of的名词词组;也能是in 的介词词组,还可以是to,along等的副词词组.举例‘中国学生’可以是 Student of China;Student in China,表达上in更好;留学日本的学生 Student to Japan矢量有方向,同理 Student from Japan日本留学生for
1.prep.
(1)因为,由于 for this reason
(2) 表示时间距离长度; for three days; He ran for three miles.
(4) 表示等价交换:He sold his house for 30,000 dollars.
(5) 开往;前往 We set off for London.
(6) 代;替;代表 Red is for danger.
(7) 用于for + 名词或代词 + to + 不定式动词的名词短语中
The bell rang for the lesson to begin.
2.conj 因为 (表示推测或附加的原因,前后为并列句)
It must have rained last night,for the ground is wet.
尽管for 的用法较多,但记住常用的几个就可以了.