From The Everyday Writer: A Brief Reference (St. Martin’s, 1997)
Andrea Lunsford, Ohio State University and Robert Connors, University of New Hampshire
1 Missing comma after an introductory element
2 Vague pronoun reference
3 Missing comma in a compound sentence
4 Wrong word
5 Missing comma(s) with a nonrestrictive element
6 Wrong or missing verb ending
7 Wrong or missing preposition
8 Comma splice
9 Missing or misplaced possessive apostrophe
10 Unnecessary shift in tense
11 Unnecessary shift in pronoun
12 Sentence fragment
13 Wrong tense or verb form
14 Lack of subject-verb agreement
15 Missing comma in a series
16 Lack of agreement between pronoun and antecedent
17 Unnecessary comma(s) with a restrictive element
18 Fused sentence
19 Misplaced or dangling modifier
20 Its/It’s confusion