There is none, at least not in "proper" English. The closest approximation would be the colloquial "ain't"
In usage, you would say:
I'm not
he/she isn't
we're not
...and so on
'Doesn't' is a contraction for 'does not'.
I'd
The contraction for do not is don't.
The opposite of dilation in math is contraction
The contraction for "must" and "not" is "mustn't." It combines the two words to create a shorter form, indicating something that is not required or obligatory. For example, you might say, "You mustn't forget your keys."
contraction made in the words you will: you'll
You'll is the contraction of 'you will'
contraction made from the two words you will: you'll
Contraction word made from the words they and are is they're.
The contraction for "I will" is "I'll."
The contraction made from "must" and "not" is "mustn't".
the answer is won't for the people did not know
No
Haven't is the contraction of have not.
The contraction of would not is wouldn't.
The answer is haven't.
Contraction word for she will: she'll