Aff.
I open
You open
He/She/It opens
We open
You open
They open
Neg.
I do not open
You do not open
He/She/It does not open
We do not open
You do not open
They do not open
Int
Do I open?
Do you open?
Does he/she/it open?
Do we open?
Do you open?
Do they open?