Premodifiers
Postmodifiers
Restrictive modifiers
Nonrestrictive modifiers
Dangling modifiers
Misplaced modifiers
Squinting modifiers
Modifier scope and ambiguity
Parallel words
Parallel phrases
Parallel clauses
Parallel comparisons
Correlative conjunction parallelism
Parallelism in lists
Faulty parallelism
Full stops (periods)
Commas
Semicolons
Colons
Apostrophes
Quotation marks
Question marks
Exclamation marks
Hyphens and dashes
Parentheses and brackets
Ellipses
Capitalization of proper nouns
Capitalization of titles
Sentence capitalization
Spelling conventions
Hyphenation
Contractions
British and American spelling differences
Subject–verb disagreement
Incorrect tense usage
Article errors
Pronoun errors
Preposition errors
Sentence fragments
Run-on sentences
Comma splices
Faulty parallelism
Double negatives
Dangling and misplaced modifiers