You can write "will not" as a contraction by combining the two words to form "won't."
"She's" is the contraction for "she is."
The contraction for "you have" is "you've."
The contraction of "you would" is "you'd."
The contraction for "shall not" is "shan't."
"how does" can be written as "how's" but this is not very common ("How's" usually means "how is").
You don't write it as an apostrophe; you write it as a contraction. "It's" is a contraction of it is and it has.
"She's" is the contraction for "she is."
The contraction for "you have" is "you've."
The contraction of "you would" is "you'd."
The contraction for "shall not" is "shan't."
you had = you'd
it has = it's
doesn't
you're
The contraction of will not is won't. This is one of the many peculiarities of the English language.
"how does" can be written as "how's" but this is not very common ("How's" usually means "how is").
Yes. It is a contraction of the words should and have. Many people incorrectly write this as "should of".