Grammatically, a contraction combines two words (or shortens one word) by replacing one or more letters with an apostrophe. Examples are don't (do not), he's (he is) and would've (would have).
Haven't is the contraction of have not.
Contraction word made from the words they and are is they're.
contraction made from the two words you will: you'll
Contraction word for she will: she'll
Shouldn't
There is no contraction for the words did you.
contraction of the words you will: you'll
There is no contraction for the words "did you".
Didn't is a contraction of the words "did" and "not". There is no 'contraction' for this word.
Haven't is the contraction of have not.
contraction made in the words you will: you'll
Contraction word made from the words they and are is they're.
contraction made from the two words you will: you'll
"I'll" is a contraction of the words "I will."
Contraction word for she will: she'll
Shouldn't
Contractions are formed when two words are combined to create a shorter word. Examples would be "don't" which is a contraction of the words "do" and "not," the word "can't" which is a contraction of the words "can" and "not," and the word "isn't" which is a contraction of the words "is" and "not." Contractions are considered informal language.