it's time for与it's time to

It's time for It's time to it's time to和it's time for it's time for It' s time for it's time did 与it's time for sb to do有什么区别 It's time to. It's time to it's time for love somebody to it's 5:30.it's time () dinner (to/for) It's twelve o'clock.It's time for( )to( )( ) it's time for lunch It's time for practice