its time to 和for的区别是?

its+adj+to sb和its+adj+for sb的用法和区别 Its time to do sth.和 Its time doing sth.有什么区别? time to和time for区别 It's time for...和It's time to 的用法和区别? It's time for和It's time to的区别以及例句和练习题 it's time to 和t's time for的区别谢谢 It's time for和It's time to的区别? it is time to 和it is time for 的区别 It‘s time to和It's time for的区别, It's time to和It's time for的区别 it's time to 和It's time for的区别谢谢 It’s time to do sth.和.It’s time for…… 的区别