It is a contraction of the words "do not." The past tense is didn't (did not).
You dont use them, you get them. They are an involuntry contraction of the diaphram
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
There is no contraction for "its not."There is a contraction for "it is" (it's).There is a contraction for "is not" (isn't).
He's already IS a contraction. It is a contraction of he is.
There is no contraction. The contraction she'd can mean she had or she would.
The grammatical contraction for "have not" is "haven't."
Didn't is a contraction of the words "did" and "not". There is no 'contraction' for this word.
It's is the contraction of it has and it is.
There is no contraction. The contraction we're means "we are."
There is no contraction. There is a contraction doesn't which means "does not."
There is no contraction for I was. There is a contraction for I am (I'm) and for I have (I've).
We're is a contraction of we are.