when do i need a comma
Comma Before And That Joins Two Independent Clauses. The word and is a conjunction, and when a conjunction joins two independent clauses, you should use a comma with it. The proper place for the comma is before the conjunction. On Monday weâll see the Eiffel Tower, and on Tuesday weâll visit the Louvre.
Use one comma before to indicate the beginning of the pause and one at the end to indicate the end of the pause. 4. Do not use commas to set off essential elements of the sentence, such as clauses beginning with that (relative clauses). That clauses after nouns are always essential. That clauses following a verb expressing mental action are always essential.