意思基本一样,不过to便是要做什么,for有表示状态的意思.
it's time to +动词词组 经常是It's time to do sth
it's time for +名词
It's time for supper.
=It's time to have supper.
It's time for class.
=It's time to have class.
注意英文是一种很注重形式的语言,不能搭配错了.
time for +名词（通常不包括动名词）-------- It is time for bed.
time to +动词原形----- It is time to go to bed.