Question

是it's time for sth还是it's time for doing sth

Answer 1

It's
time
to
do
sth.=
It's
time
for
sth.
从语法的角度看：
It's
time
for
doing
sth.是正确的，但英语中经常用到“
该做某事了，
到了该做某事的时候了”，
要用：
It's
time
to
do
sth.
（
动词不定式），
或：
It's
time
for
sth.(for+
名词）
如：
It's
time
for
supper.=
It's
time
to
have
supper.该吃晚饭了。

Answer 2

It's
time
to
do
sth=It's
time
for
sth

例如

It's
time
to
go
to
school=It's
time
for
school

=========================================
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谢谢！O(∩_∩)O

补充：楼主说的那种情况也有的

只是显示不一样而已

例如

It's
time
to
play

computer
now
It's
time
for
playing
computer
now
是到玩电脑的时候了
这两个句式表达的意思是相同的
只不过一个是
to
do

形式
另一个是
for
doing