it isn't vs it's not
Dear friends,
What is grammatically correct, to use isn't or it's not .....?

f.e.
It's not a mistake.
It isn't a mistake.

Question

it isn't vs it's not
Dear friends,
What is grammatically correct, to use isn't or it's not .....?

f.e.
It's not a mistake.
It isn't a mistake.

Answer

Hello Alina,

Both are grammatically correct.
Either one can be used in the same situation.

Is it a mistake?

No, it's not a mistake.
No, it isn't a mistake.
No, it's not.
No, it isn't.

These are all good.