It will.
Haven't is the contraction of have not.
contraction made from the two words you will: you'll
Let's is the contraction of the two words 'Let us'
Contraction word made from the words they and are is they're.
Won't is a contraction of will not.
'I' and 'HAVE'
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.
If you are trying to create a contraction of the two words "I" and "should," the answer is that you cannot contract the two words because "I'd" is a contraction of "I had" or "I would."
I'd is a contraction for "I would".
The contraction for "will not" is "won't."
contraction
No, it is a (bad) contraction of two words "they" and "are" - "they" is a pronoun and "are" is a verb (the verb "to be"). Look in the related question below to understand why this particular contraction is bad.
It is a pronoun, more precisely a third person singular pronoun. It refers to a thing or an inanimate object. For example: "The governor's house is very large; it is the largest house I ever saw." Or, "Because my computer broke, I will have to take it to the repair shop."
Actin and myosin are two fibers that cause contraction.
It appears that you may be referring to so-called "private" security and guard services which are licensed to offer private services for hire, but who are NOT sworn law enforcement officers.
It's a shortened form of two words where one is a verb. Follow the related question for some examples.