Who's is a contraction for who is, or sometimes who has. For example, "Who's sleeping in my bed?" (Who is sleeping ...)
Be VERY careful not to confuse who's with the soundalike word whose, which is the possessive word for who. "Whose picture is this?" "It's a person whose hair is blond."
Weren't is the contraction word for were not.
contraction for the word who is: who's
contraction for the word he is: he's
Contraction word for she will: she'll
No, it's not a contraction. The word and is a whole word.
There is no contraction for the word apostrophe. It's is a contraction of it is or it has.
Didn't is the contraction for did not.
No. A contraction cannot be a compound word.
the contraction of will not: won't
There is no contraction for the words "did you".
The contraction for 'was not' is wasn't.
The contraction for is not is isn't