1. Faulty Agreement:  Subject/Verb
2. Incorrect or Ambiguous Pronouns
3. Incorrect Verb Tense
4. Using Passive vs. Active Voice
5. Poor Sentence Construction:  Fragments, Run-Ons, Comma Splices
6. Incorrect use of Idioms
7. Non-Parallel Construction
8. Confusing Modifiers:  Misplaced or Dangling
9. Faulty Comparisons
10. Adjective & Adverb Confusion

You don’t have to remember the terminology to succeed in correcting sentence errors in the Writing Section.  However, you do need to be able to spot errors by knowing the most common rules for Standard Written English.

A good website to help you brush up on grammar rules that includes examples used in sentences is: http://englishplus.com/grammar/contents.htm

Click on the helpful links in these sections:

• “Style and Usage”
• “Punctuation”
• “Common Mistakes & Choices” for word