It depends on the context you are using it in.
Example: In class we had to tap our foot in time to the beat.
I had to skip breakfast in order to be on time for work.
As time flies is grammatically correct.
Yes, Almighty God is grammatically correct.
"That was wrong" is a grammatically correct sentence.
Yes, it is grammatically correct.
This sentence is grammatically correct.
As time flies is grammatically correct.
No.
no.
It is grammatically correct to say it is the time for someone and not it is the time of someone.
It can be, but not all the time.
yes
No, I think the correct way is- Is this the first time you've seen it?
"Not like that" can be grammatically correct, depending on the context.
Yes it is a grammatically correct
Yes! That is grammatically correct!
Yes, 'for free', is grammatically correct.
That sentence is grammatically correct.