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Learn more about the English language and improve your writing with our online grammar lessons. Select from any of the modules to start an engaging and easy-to-follow exercise.

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  1. 1. Nouns

    1. Pretest: Nouns
    2. Lesson 1: What Is a Noun?
    3. Lesson 2: Common and Proper Nouns
    4. Lesson 3: Singular and Plural Nouns 1
    5. Lesson 4: Singular and Plural Nouns 2
    6. Lesson 5: Irregular Plural Nouns
    7. Lesson 6: Compound Nouns
    8. Lesson 7: Collective Nouns
    9. Lesson 8: Possessive Nouns
    10. Lesson 9: Classifying Nouns
    11. Review: Nouns
    12. Posttest: Nouns
    13. Start learning about
      Nouns

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    2. Pronouns

    1. Pretest: Pronouns
    2. Lesson 1: Personal Pronouns
    3. Lesson 2: Cases of Personal Pronouns
    4. Lesson 3: Challenging Uses of Cases
    5. Review: Pronoun Cases
    6. Quiz: Pronoun Cases
    7. Lesson 4: Reflexive and Intensive Pronouns
    8. Lesson 5: Interrogative Pronouns
    9. Lesson 6: Demonstrative Pronouns
    10. Lesson 7: Relative Pronouns
    11. Lesson 8: Indefinite Pronouns
    12. Review: Types of Pronouns
    13. Quiz: Types of Pronouns
    14. Lesson 9: Pronoun Agreement
    15. Lesson 10: Challenges in Pronoun Agreement
    16. Lesson 11: Indefinite Pronoun Agreement
    17. Review: Pronoun Agreement
    18. Quiz: Pronoun Agreement
    19. Review: Pronouns
    20. Posttest: Pronouns
    21. Start learning about
      Pronouns

  3. 3. Verbs

    1. Pretest: Verbs
    2. Lesson 1: Action Verbs
    3. Lesson 2: Helping Verbs
    4. Lesson 3: Linking Verbs
    5. Lesson 4: Action vs. Linking Verbs
    6. Lesson 5: The Verb To Be
    7. Review: Types of Verbs
    8. Quiz: Types of Verbs
    9. Lesson 6: Principal Parts of Verbs
    10. Lesson 7: Irregular Verbs
    11. Lesson 8: Tenses of Verbs
    12. Lesson 9: Shifts in Verb Tense
    13. Lesson 10: Idiomatic Verbs
    14. Lesson 11: Active vs. Passive Voice
    15. Lesson 12: Moods of Verbs
    16. Review: Using Tenses
    17. Quiz: Using Tenses
    18. Lesson 13: Agreement of Verbs
    19. Lesson 14: Challenges in Verb Agreement
    20. Lesson 15: More Challenges in Verb Agreem...
    21. Lesson 16: Difficult Verbs: Lie/Lay
    22. Lesson 17: Difficult Verbs: Sit/Set
    23. Lesson 18: Difficult Verbs: Rise/Raise
    24. Review: Agreement and Difficult Verbs
    25. Quiz: Agreement and Difficult Verbs
    26. Review: Verbs
    27. Posttest: Verbs
    28. Start learning about
      Verbs

  4. 4. Sentence Parts

    1. Pretest: Sentence Parts
    2. Lesson 1: Simple Subjects
    3. Lesson 2: Simple Predicates
    4. Lesson 3: Challenging Subjects
    5. Lesson 4: Compound Subjects and Predicates
    6. Lesson 5: Complete Subjects and Predicates
    7. Review: Subjects and Predicates
    8. Quiz: Subjects and Predicates
    9. Lesson 6: Direct Objects
    10. Lesson 7: Challenges with Direct Objects
    11. Lesson 8: Indirect Objects
    12. Lesson 9: Subject Complements
    13. Lesson 10: Object Complements
    14. Lesson 11: Distinguishing Between Objects...
    15. Lesson 12: Classifying Verbs
    16. Review: Objects and Complements
    17. Quiz: Objects and Complements
    18. Review: Sentence Parts
    19. Posttest: Sentence Parts
    20. Start learning about
      Sentence Parts

  5. 5. Modifiers: Adjectives and Adverbs

    1. Pretest: Modifiers: Adjectives and Adverbs
    2. Lesson 1: Adjectives
    3. Lesson 2: Different Types of Adjectives
    4. Lesson 3: Compound Adjectives
    5. Lesson 4: Order of Adjectives
    6. Review: Identifying Adjectives
    7. Quiz: Identifying Adjectives
    8. Lesson 5: Adverbs Modifying Verbs
    9. Lesson 6: Adverbs Modifying Adjectives
    10. Lesson 7: Adverbs Modifying Other Adverbs
    11. Lesson 8: Special Types of Adverbs
    12. Lesson 9: Adjective versus Adverb
    13. Review: Identifying Adverbs
    14. Quiz: Identifying Adverbs
    15. Lesson 10: Comparing with Adjectives and ...
    16. Lesson 11: Challenging Comparisons
    17. Lesson 12: Challenging Adjectives and Adv...
    18. Lesson 13: Common Mistakes and Dangling M...
    19. Review: Using Adjectives and Adverbs
    20. Quiz: Using Adjectives and Adverbs
    21. Review: Modifiers: Adjectives and Adverbs
    22. Posttest: Modifiers: Adjectives and Adverbs
    23. Start learning about
      Adjectives & Adverbs

  6. 6. Prepositions

    1. Pretest: Prepositions
    2. Lesson 1: Prepositions and Prepositional...
    3. Lesson 2: Compound Prepositions and Comp...
    4. Lesson 3: Preposition versus Adverb
    5. Lesson 4: Adjective Prepositional Phrases
    6. Lesson 5: Adverb Prepositional Phrases
    7. Lesson 6: Prepositional Phrases as Nouns
    8. Review: Prepositional Phrases
    9. Quiz: Prepositional Phrases
    10. Lesson 7: Layered Prepositional Phrases
    11. Lesson 8: Adjective or Adverb Prepositio...
    12. Lesson 9: Placement Problems and Danglin...
    13. Lesson 10: Troublesome Prepositions
    14. Lesson 11: Commas with Prepositional Phra...
    15. Lesson 12: Idiomatic Verbs
    16. Review: Working with Prepositional Phr...
    17. Quiz: Working with Prepositional Phr...
    18. Review: Prepositions
    19. Posttest: Prepositions
    20. Start learning about
      Prepositions

  7. 7. Conjunctions and Interjections

    1. Pretest: Conjunctions and Interjections
    2. Lesson 1: Coordinate Conjunctions
    3. Lesson 2: Correlative Conjunctions
    4. Lesson 3: Parallel Ideas
    5. Lesson 4: Conjunctive Adverbs
    6. Lesson 5: Subordinating Conjunctions
    7. Lesson 6: Other Words that Act as Conjun...
    8. Lesson 7: As/As if Versus Like
    9. Lesson 8: Interjections
    10. Review: Conjunctions and Interjections
    11. Posttest: Conjunctions and Interjections
    12. Start learning about
      Conjunctions & Interjections

  8. 8. Verbals and Phrases

    1. Pretest: Verbals and Phrases
    2. Lesson 1: Verbals
    3. Lesson 2: Participles and Participial Ph...
    4. Lesson 3: Restrictive and Nonrestrictive...
    5. Lesson 4: Misplaced Participial Phrases
    6. Lesson 5: Gerunds and Gerund Phrases
    7. Lesson 6: Infinitives and Infinitive Phr...
    8. Lesson 7: Classifying Verbals and Verbal...
    9. Review: Verbals
    10. Quiz: Verbals
    11. Lesson 8: Appositives and Appositive Phr...
    12. Lesson 9: Restrictive and Nonrestrictive...
    13. Lesson 10: Absolute Phrases
    14. Review: Appositive and Absolute Phrases
    15. Quiz: Appositive and Absolute Phrases
    16. Review: Verbals and Phrases
    17. Posttest: Verbals and Phrases
    18. Start learning about
      Verbals & Phrases

  9. 9. Clauses

    1. Pretest: Clauses
    2. Lesson 1: What is a Clause?
    3. Lesson 2: Adjective Clauses
    4. Lesson 3: Restrictive and Nonrestrictive...
    5. Lesson 4: Adverb Clauses
    6. Lesson 5: Noun Clauses
    7. Lesson 6: Classifying Dependent Clauses
    8. Review: Clause Types
    9. Quiz: Clause Types
    10. Lesson 7: Kinds of Sentences / Sentence ...
    11. Lesson 8: Simple and Compound Sentences
    12. Lesson 9: Complex and Compound-Complex S...
    13. Lesson 10: Classifying Sentences
    14. Lesson 11: Run-On Sentences and Fragments
    15. Review: Sentence Types
    16. Quiz: Sentence Types
    17. Review: Clauses
    18. Posttest: Clauses
    19. Start learning about
      Clauses

  10. 10. Capitalization

    1. Pretest: Capitalization
    2. Lesson 1: Names of People
    3. Lesson 2: Titles
    4. Lesson 3: Names of Places
    5. Lesson 4: Names of Groups of People
    6. Lesson 5: Names of Things
    7. Lesson 6: Names in School
    8. Lesson 7: Names on the Calendar
    9. Lesson 8: Firsts
    10. Lesson 9: Conventions
    11. Review: Capitalization
    12. Posttest: Capitalization
    13. Start learning about
      Capitalization

  11. 11. Punctuation: End Points and Comma

    1. Pretest: Punctuation: End Points and Comma
    2. Lesson 1: Period vs. Question Mark
    3. Lesson 2: Period vs. Exclamation Point
    4. Lesson 3: Period vs. Question Mark, Excl...
    5. Lesson 4: Comma - Noun of Address
    6. Lesson 5: Comma - Transitional Adverbs
    7. Lesson 6: Comma - Prepositional Phrases
    8. Lesson 7: Comma - Participial Phrases
    9. Lesson 8: Comma - Participial Phrases vs...
    10. Lesson 9: Comma - Introductory Dependent...
    11. Lesson 10: Comma - Absolute Expressions
    12. Lesson 11: Comma - Joining by Coordinate ...
    13. Lesson 12: Comma - Words in Apposition
    14. Lesson 13: Comma - Adjective Clauses
    15. Lesson 14: Comma - Dates and the Comma
    16. Lesson 15: Comma - Addresses and the Comma
    17. Lesson 16: Comma - Items in a Series
    18. Lesson 17: Comma - Modifiers in a Series
    19. Review: Punctuation: End Points and Comma
    20. Posttest: Punctuation: End Points and Comma
    21. Start learning about
      End Points & Comma

  12. 12. Punctuation: Quotations and Parentheses

    1. Pretest: Punctuation: Quotations and Parentheses
    2. Lesson 1: Quotation Marks
    3. Lesson 2: Quotation Marks and the Comma
    4. Lesson 3: Quotation Marks and Other Punctuation
    5. Lesson 4: Quotation Marks vs. Underscores and Italics
    6. Lesson 5: Parentheses - Enclosing the Parenthetical Expression
    7. Lesson 6: Comma - Enclosing the Parenthetical Expression
    8. Review: Punctuation: Quotations and Parentheses
    9. Posttest: Punctuation: Quotations and Parentheses
    10. Start learning about
      Quotations & Parentheses

  13. 13. Punctuation: Miscellaneous

    1. Pretest: Punctuation: Miscellaneous
    2. Lesson 1: Dash - Joining Independent Statements
    3. Lesson 2: Dash - Enclosing the Parenthetical Expression
    4. Lesson 3: Semicolon - Joining Independent Clauses
    5. Lesson 4: Semicolon - Separating Items in a Series
    6. Lesson 5: Colon - Introducing the Following
    7. Lesson 6: Virgule (Slash)
    8. Lesson 7: Ellipsis Points and Brackets
    9. Review: Punctuation: Miscellaneous
    10. Posttest: Punctuation: Miscellaneous
    11. Start learning about
      Miscellaneous

  14. 14. Troublesome Words 1

    1. Pretest: Troublesome Words 1
    2. Lesson 1: Lie, Lying, Lay, Lain vs. Lie,...
    3. Lesson 2: Lie, Lying, Lay, Lain vs. Lay,...
    4. Lesson 3: Its vs. It's, 'Tis
    5. Lesson 4: Set vs. Sit
    6. Lesson 5: Your vs. You're
    7. Lesson 6: Their, There, and They're
    8. Lesson 7: To, Too, and Two
    9. Lesson 8: You and I vs. You and Me
    10. Lesson 9: Who vs. Whom
    11. Lesson 10: All Ready vs. Already
    12. Lesson 11: All Together vs. Altogether
    13. Lesson 12: All Ways vs. Always
    14. Lesson 13: Everyone vs. Every One
    15. Lesson 14: Awhile vs. A While
    16. Lesson 15: Award vs. Reward
    17. Lesson 16: Anger, Angry vs. Mad
    18. Lesson 17: Can vs. May
    19. Lesson 18: Fewer vs. Less
    20. Lesson 19: Lose vs. Loose
    21. Review: Troublesome Words 1
    22. Posttest: Troublesome Words 1
    23. Start learning about
      Troublesome Words 1

  15. 15. Troublesome Words 2

    1. Pretest: Troublesome Words 2
    2. Lesson 1: Accept vs. Except
    3. Lesson 2: Affect vs. Effect
    4. Lesson 3: Advice vs. Advise
    5. Lesson 4: Between vs. Among, Amongst
    6. Lesson 5: Bad vs. Badly
    7. Lesson 6: Breath vs. Breathe
    8. Lesson 7: Bring, Take, Fetch, and Carry
    9. Lesson 8: Capital vs. Capitol
    10. Lesson 9: Complement vs. Compliment
    11. Lesson 10: Emigrate vs. Immigrate
    12. Lesson 11: Farther vs. Further
    13. Lesson 12: Council vs. Counsel
    14. Lesson 13: Principal vs. Principle
    15. Lesson 14: Whether vs. Weather
    16. Lesson 15: Allay vs. Alley vs. Ally
    17. Lesson 16: Allude vs. Elude
    18. Lesson 17: Allusion vs. Illusion
    19. Lesson 18: All-round vs. All Around
    20. Lesson 19: Alternate vs. Alternative
    21. Lesson 20: Apprehend vs. Comprehend
    22. Lesson 21: Born vs. Borne
    23. Lesson 22: Censor vs. Censure
    24. Lesson 23: Notable vs. Notorious, Notoriety
    25. Lesson 24: Persecute vs. Prosecute
    26. Lesson 25: Continual, Continuous, and Con...
    27. Lesson 26: Sight vs. Site, Cite
    28. Lesson 27: Stationary vs. Stationery
    29. Review: Troublesome Words 2
    30. Posttest: Troublesome Words 2
    31. Start learning about
      Troublesome Words 2
English grammar