怎样区分it is +形容词+to和it is +形容词+for?

怎样区分it is +形容词+to和it is +形容词+for? 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 is 形容词 for sb.to do it is +形容词+for sb to do. it is+形容词+for sb+to do It is +形容词+for sb It is+形容词+for sb+to do和It is+形容词+of sb+to do的区别 it is+形容词+for sb it is+形容词+to do sth造句 it + be +形容词+ doing 可以和it be 形容词 to do 如 it is great seeing it is to be +形容词 和 it is +形容词 有何区别? it +形容词+to do sth 和it is +形容词+to do sth 有什么区别? 是不是英语中所有的形容词都可以用it is + 形容词+that 和it is + 形容词+to这两种句型?