500
Edit this text for 3 errors:
(1) My best friend Holly, called me crying hysterically. (2) She said she needed help but I was out of town. (3) I didn't know what to do; I called 911. (4) I was relived to learn that she was okay.
(1) My best friend, Holly, called me crying hysterically. {When using an appositive in the middle of a sentence, set it off by commas.}
(2) She said she needed help, but I was out of town. {When writing a compound sentence, use a comma before the conjunction to show the separation of the independent clauses.}
(3) No error. {Use a semicolon to replace a comma and conjunction in a compound sentence.}
(4) I was relieved to learn that she was okay. {Use a dictionary to help you with spelling/spelling errors!}