1.Subject-Verb Agreement Errors 2.Sentence Fragments 3.Missing Comma After Introductory Element 4.Misusing The Apostrophe With “Its” 5.No Comma In A Compound Sentence 6.Misplaced Or Dangling Modifier 7.Vague Pronoun Reference 8.Wrong Word Usage 9.Run-On Sentence 10.Superfluous Commas 11.Lack Of Parallel Structure 12.Sentence Sprawl 13.Comma Splice 14.Colon Mistakes 15.Split Infinitives