no
Yes, a comma is usually placed before the word "or" when joining two independent clauses in a sentence. This is known as the serial comma or Oxford comma.
Depending on what the sentence is about you may use a comma before 'called';however, in some instances you may not be allowed to place a comma before the word called.
No you don't.
yes
you put an apostrophe after the N and before the T.
you would put it after
Yes, and here is a good example.
No, a comma does not go before the word 'in'.
Yes, typically a comma is placed before the word "unless" when it is used to introduce a dependent clause in a sentence. This helps to clarify the relationship between the main clause and the conditional clause.
You do not typically use a comma directly before or after the word "but" when it is used as a conjunction to connect two independent clauses. However, you may use a comma before "but" when it is used to introduce a contrasting element in a sentence.
You can put a comma before or after just about any word if the sentence structure requires it. If the sentence structure does not require it, it may be permissable to use a comma to assist in clarity and avoid confusion. Otherwise, don't use a comma. Have I confused you yet? Using a comma does not depend on the word, it depends on the structure of the sentence.
Do not put a space before a comma. Put one space afterthe comma.