常用于该句型的形容词有：right ,kind ,nice,good ,clever,wise, polite ,brave,strong,wrong,foolish等。
2.如果这个形容词所表示的不是sb.的某种特征或品质，即句中的sb.和adj.构成的人主谓关系不合逻辑，则用for。例如：
lt's difficult for me to work out the problem.
算出这道题对我来说太难了。
lt's very important for students to learn English well.
对学生们来说，学好英语是很重要的。
常用于该句型的形容词有：easy,difficult,hard,important,impossible,safe,
dangerous,necessary等。
Exercise:
请用of或for填空。
1. lt's hard ( )my brother to do the job.
2.It was wrong ( ) you to say such worlds yesterday.
3.lt is polite ( ) you to come here on time.
4.It's too easy ( ) you to do the work.
Key: 1.for 2. of 3.of 4.for
