there've
"Have" can most certainly be used with "there" when you construct a sentence using the present perfect. Such as:
There have been many storms recently.
There have been some mistakes made.
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).
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
He's already IS a contraction. It is a contraction of he 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).
The contraction for "were" is "we're."
It's is the contraction of it has and it is.
"They've" is the contraction for 'they' and 'have'.
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.
There is no contraction. The contraction she'd can mean she had or she would.