The contraction mustn't means "must not."
The contraction of "must not" is spelt mustn't.
The contraction is spelled "doesn't." The past tense is didn't.
haven't
you're
Mustn't.
The contraction mustn't means "must not."
The contraction of "must not" is spelt mustn't.
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?
The contraction is spelled "doesn't." The past tense is didn't.
contact
QTR.
I've