It is a contraction, combining the words do and not into don't
An apostrophe is used in contraction. Example: you will: you'll
An apostrophe (') is used at the point where letters are removed from a contraction. For example the word "can't" - the apostrophe is placed in the word to take the place of the second n and the o from the word "not," since "can't" is contraction of "cannot."
No, it is not.
No, the word "yours" does not use an apostrophe. It is a possessive pronoun that indicates something belongs to you.
Yes it is
An apostrophe is used in a contraction to represent that letters have been removed. In the word can't the apostrophe is taking the place of the letters "no". In the word don't the apostrophe is also taking the place of the letter "o".
If you are referring toward the term "pros and cons" an apostrophe is not used. An apostrophe is used when referring to "professionals", as it is the contracted form of the word.
you dont use an apostrophe in will not
No. If the sheriff possesses something, it is the sheriff's with an apostrophe before the "s."
It is an apostrophe that is used in a word like couldn't. Instead of could not you use an apostrophe to make it in to couldn't and that is how is used. It can also be used with numbers, like for example 1954 using an apostrophe like this '54 makes it an apostrophe that shows contraction.
The apostrophe is used for possessive nouns and for contractions. In some rare cases, such as letters and numbers, an apostrophe is used with S to create a plural noun.
It all depends on how you are using the word city, but an apostrophe can be used appropriately like this: City's Cities'