I do
You do
He/she/it does
We do
You do
They do

Do I?
Do you?
Does he/she/it?
Do we?
Do you?
Do they?

I don't
You don't
He/she/it doesn't
We don't
You don't
They don't

Don't I?
Don't you?
Doesn't he/she/it?
Don't we?
Don't you?
Don't they?