A comma should be used before “because” when it is connecting two independent clauses. It can also be used to separate a dependent clause from an independent clause.

Using a comma before “but” correctly can help to improve the clarity of a sentence. It can help to make the meaning of the sentence clear and help to avoid confusion.

When using the word “or” in a sentence, a comma should be used before it if the sentence is a list of three or more items.

The question of whether a comma should be placed before or after a parenthesis is a common one. The answer depends on the context and the style guide being followed.

The question of whether to use a comma before “so” depends on the context. Generally, a comma is used before “so” when it is used to introduce a conclusion or a result.

When do you use a comma before “too”? The answer is that a comma should be used before “too” when it is used to indicate addition or agreement.