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