1、为了......
例句：Here is the present for you.这是给你的礼物。
2、作为......
例句：This house was built for a reading room.这座房子为当作阅览室而修建的。
3、表原因：由于........
例句：He was blamed for being late again.他因为有一次迟到而被批评。
4、表示在时间、距离、范围上“大到......”
例句：You can see for miles from top of the hill.你在小山顶上能看到数英里之外。
5、就......而言，对......来说
例句：You are too young for the job.你还太年轻，无法胜任这个工作。
6、支持......
例句：Are you for or against the desicion?你是支持还是反对这项决定?
7、往......，朝着......
例句：The team is leaving for Shanghai tomorrow.这个球队明天动身去上海。
8、for 可以作连词用，引导原因状语从句
例句：They had to take a taxi for there were no buses.他们只有打车，因为没有公交了。
9、for 引出动词不定式的逻辑主语，表示“对于…而言”，如：
例句：Its easy for me to put him in trouble.给他找些麻烦对我来说不难。