it is fun for sb to do sth?

It is possible for sb(sth) to do sth 是sth is important to sb还是 it is important for sb to do sth? 造句It is+a.+for sb.+to do sth. It is adj 造句 for sb to do sth 造句 Is it necessary for sb to do sth 同义句 find it (is) +adj+for sb.+to do sth. it is easy for sb to do sth It is+adj for sb to do sth 造句 It is interesting for sb.to do sth造句 用it is hard for sb to do sth造句 It is+adj (for sb) to do sth it is probably hard for sb to do sth