It's time for后面加动词原形还是动词ing形式?

问题描述:

It's time for后面加动词原形还是动词ing形式?

是it is time for sb. did sth.吧.....

介词后面加 v.ing

it's time to do sth.
it's time for sb. to do sth.
it's time for sth.
it's time for doing sth.
反正for是介词,后面要么跟名词,要么跟动名词(v.ing)

it is time for sb to do sth.

for 是介词,其后要跟名词,当后面出现动词时就需要变形为动名词ing形式其实这是介词类的普遍规律用法,其他介词还有about,in,on,at,from,off等等.给你简单举例一下:同一句话 ”到吃晚饭时间了”可以说It's time for ...