It'+形容词 for sb to do sth

It'+形容词 for sb to do sth It+be+形容词+for/of sb to do sth It’s+形容词+for sb.+to do sth. It's+形容词+（for sb）+to do sth It is+形容词+for sb to do sth与It is+形容词+of sb to do sth有什么区别? 怎样区分It is+形容词+of sb to do sth 和It is+形容词+for sb to do sth It's+形容词+for sb +to do sth与It's+形容词+of sb to do sth的区别 不定式做主语It+be+形容词+for sb.to do sth 和 It+be+形容词+of sb.to do sth It's +形容词+(for sb.)+to do sth 为什么要用to do sth is+形容词+for sb .+to do sth. it is+形容词+for sb it is+形容词+to do sth造句 这英语怎么说1.it's 形容词 of sb.to do sth.it's 形容词 for sb.to do sth.这