it is adj of/for sb to do sth

发布者：骆成     发布时间：2015-12-14     浏览数：0

（1）It be adj.（for sb.）to do sth.

此处adj. 通常为描述事件的形容词：easy，difficult，hard，necessary，unnecessary，possible，impossible，likely，unlikely，right，wrong，important，unimportant，legal，illegal，well-mannered，ill-mannered，polite，impolite，clear，obvious，certain，suitable，proper，fit，useful，useless，dangerous… 

It is illegal（for a teenager）to drive a car without a license.

（2）It be adj. of sb. to do sth.

此处adj. 通常为描述人的形容词：kind，unkind，nice，rude，cruel，considerate，thoughtful，thoughtless，careful，careless，silly，foolish，stupid，clever，wise，crazy.

 It's kind of you to help me with the problem.