500
When are commas used ?
Commas are used to tell the reader to pause after a interdictory word, to separate items, used after two or more interdictory phases, after a adverb clause, after a participial phase, after a non agencies appositive, after a name in a direct address, after data, after the name of a state or country when it is used what the name of a city or following a person name with a title.