The contraction is spelled "doesn't." The past tense is didn't.
haven't
They're
you're
oughtn't
It is spelled as "doesn't," and is the contraction for does not.
The contraction is spelled shouldn't.
The correct spelling of the contraction is should've.
aren't
won't
The contraction form of who is is who's.Example: Who's at the door?
contact
QTR.
I've
haven't
you're
They're
Yes, it is "hadn't".