The two words that make up the contraction "can't" are "cannot."
"who" and "will" make up the contraction "who'll."
"You" and "would" make up the contraction "you'd".
"you" and "would" make up the contraction "you'd."
Does not.
will + not
"who" and "will" make up the contraction "who'll."
It will.
"you" and "would" make up the contraction "you'd."
"You" and "would" make up the contraction "you'd".
It is
You are.
will + not
Does not.
"Weren't" is a contraction. It is composed of the words "were" and "not".
"Let us" combine to form the contraction "let's".
Won't is a contraction of will not.
"Shan't" is a contraction of "shall not".