The contraction for "nothing" is "nothin'."
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.
It's is the contraction of it has and it is.
The contraction for he will is He'll
We're is a contraction of we are.
Ain't is a contraction of are not, is not or am not. As in, if it 'ain't broke don't fix it. Or it is a contraction of has not or have not. As in 'they ain't got nothing to say'
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
Nothing significant happens... intensity of S1 might decrease
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.
ECG records electrical activity and not mechanical, hence it has nothing to do with contraction. But P wave represents atrial depolarization.
"They've" is the contraction for 'they' and 'have'.
It's is the contraction of it has and it is.
We're is a contraction of we are.
The contraction for he will is He'll
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."