Mixed and incomplete sentences
Sentence fragments
Prepositions and prepositional phrases
Coordination and subordination
- Subordinating ideas
A discussion of stating ideas clearly with subordination, from the University of Richmond.
- Coordination and subordination
List of coordinating and subordinating words, with practice sentences, from St. Ignatius College Prep.
- Coordination and subordination
Tips on combining sentences and punctuating them using coordination and subordination, with practice sentences, from Butte College.
Pronoun-antecedent agreement
Pronoun reference
- Using pronouns clearly
Tips on agreement and clear reference when using pronouns, from the Purdue Online Writing Lab.
- Pronoun reference
Seven tips for clear pronoun usage, including review exercise, from the University of Ottawa.
Misplaced and dangling modifiers
- Modifier placement
Tips and examples illustrating misplaced, dangling, and squinting modifiers, from the Guide to Grammar and Writing.
- Modifiers
Tips and review exercises on various types of modifier problems, from the University of Ottawa.
- Misplaced modifiers
Tips on revising misplaced modifiers, including a review test, from Big Dog's Grammar.
- Dangling modifiers
Advice on recognizing and revising dangling modifiers, with a review test, from Big Dog's Grammar.
- Dangling modifiers
Discussion of strategies for revising dangling modifiers, with several "before and after" examples, from the Purdue Online Writing Lab.
Mixed and incomplete sentences
- Repeated subject
An exercise on avoiding a repeated subject, from Citrus College.