- Appositives
- Adjectives and adverbs
- Capitalization
- Common word usage errors
- Coordinating conjunctions
- Dangling modifiers
- Fragments
- Gerunds
- I or me?
- Independent and dependent clauses
- Infinitive phrases
- Numbers
- Parts of speech
- Participles
- Parallel structure
- Passive voice
- Prepositions
- Sentence structure
- Subject-verb agreement
- Verb tense agreement
- Who vs. whom