Assuming you're asking is you should put a comma before "or" in a series of three or more items (e.g., "Would you like the chicken, fish(,) or beef?") - it's called a serial comma, and it's generally considered optional nowadays, unless it makes the sentence ambiguous or the items in the list are several words each (e.g. "Would you like ham and cheese, peanut butter and jelly, or tomato and cheese on your sandwich?").
It could go either ways?
A comma typically goes before "so" when it is used at the beginning of a sentence to indicate a reason or result. However, when "so" is used as a conjunction in the middle of a sentence, it does not usually need a comma before it.
Not necessarily. There is no word in English that requires a comma before or after it.
It is usually appropriate to place a comma before "but." One should not use a comma after "but."
When which is used to introduce a nonrestrictive adjectivial clause it must it must follow a comma. But there are numerous examples where which does not need to follow a comma. Including: Which melon do you want? I can't tell which melon to buy.
No, a comma does not go before the word 'in'.
Not necessarily. There is no word in English that requires a comma before or after it.
no
No.
After
after
Before
It could go either ways?
A comma typically goes before parentheses if the sentence structure requires it. For example, in the sentence "She decided to go to the park (which was quite crowded), despite the weather," the comma is placed before the parentheses. However, if the parentheses are at the end of a sentence and the sentence does not require a comma, then no comma is needed.
The comma would come after it.
Yes, but a space comes after the comma like this:, inc
A comma usually comes before and after "however".I would love to go to the beach with you, however, I have to work.