It is for sb to do sth 与It is doing sth的区别
it is time for sth.与it is time (for sb.) to do sth.区别
it is +adi of sb to sth 与 It is +adj for sb to do sth 的区别有哪些
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?
sb.spends some time doing sth.it is+adj.+for sb.to do sth.it
it is no use doing sth.与it is no use to do sth.的区别
It is no use doing sth与It is no use to do sth的区别.
it is adj.for sb to do 与sb.be adj.to do sth的区别是什么?
It is possible for sb(sth) to do sth
be important to sb.与It is important for sb.to do sth.与 sth.i
It is +adj+for sb.+to do sth.与 It is +adj +of sb.+to do sth.
it is helpful to do sth it is helpful for doing sth it is he
详解It is+adj+of\for sb to do sth的翻译用法及区别