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?").
A comma typically goes before "or" when it is connecting two independent clauses in a sentence.
An comma goes before so
It could go either ways?
after
A comma is generally not needed before "because" in a sentence. However, if "because" is introducing a dependent clause, a comma can be used after it to separate it from the main clause.
The comma should come before the word "but" when it is used to separate two independent clauses. For example: "I wanted to go to the store, but it started raining."
No, a comma does not go before the word 'in'.
An comma goes before so
It could go either ways?
A comma is generally not needed before "because" in a sentence. However, if "because" is introducing a dependent clause, a comma can be used after it to separate it from the main clause.
Not necessarily. There is no word in English that requires a comma before or after it.
no
after
After
No.
Before
The comma typically goes before the parentheses if it is part of the main sentence. If the parentheses contain a complete sentence, the period or other punctuation mark will typically go inside the parentheses.
after