couldn't
There is no contraction for the words "did you".
The contraction for of the clock is o'clock.
The contraction for of the clock is o'clock.
aren't
Mary's
There is no contraction. There is a contraction we'dmeaning either we would or we had.
No, the word "could've" is a verb contraction; a shortened form of "could have".
There is no contraction for the conditional auxiliary verb "could."But there is one for the auxiliary pair "could have", which is could've.
you'll
Since the contraction for will not is won't, the contraction for he will not is he won't.You could also use he'll not, but it is not as common.
no it's not
Could've
the answer is couldn't
Shouldn't
Could've is a contraction of "could" and "have". They are both verbs.
contact
Could've