it is time that you cared for them.为什么care要加d呢?

it is time that you cared for them.为什么care要加d呢? it is not that i do not care about you!it is only that you d It is time for them () have lunch. Is my changed,or you don't care,it is time that has changed 为什么是It is wrong of you to do that.不是It is wrong for you to d take care that you don not drink too much , it is bad for yo It is time (to watch)CCTV news.请问这里为什么要加to呢? 回答is it time for them to have english classes? it is time for后面加什么 It is time for后加什么 it is time for you to get cleaned 为什么要用被动语态? why is that you donn't care about it?