◆ Contents
Unit 1. Quiz ♦ Nouns ... 4
Unit 2. Quiz ♦ Subject pronouns and verbs ... 5
Unit 3. Quiz ♦ Subjects of sentences ... 6
Unit 4. Quiz ♦ Verbs ... 7
Unit 6. Quiz ♦ Auxiliary verb and main verb ... 8
Unit 7. Quiz ♦ Auxiliary verb Do & base verb forms ... 9
Unit 8. Quiz ♦ Modals ... 10
Unit 9. Quiz ♦ Present & past tense ... 11
Unit 11. Quiz ♦ Clauses and compound sentences ... 12
Unit 12. Quiz ♦ Prepositions ... 13
Unit 13. Quiz ♦ Non-referential It ... 14
Unit 14. Quiz ♦ There, their ... 15
Unit 16. Quiz ♦ Because & since ... 16
Unit 17. Quiz ♦ Have: auxiliary & main verb ... 17
Unit 18. Quiz ♦ Present perfect vs past tense ... 18
Unit 19. Quiz ♦ These, those, this, that ... 19
Unit 21. Quiz ♦ Gerunds ... 20
Unit 22. Quiz ♦ Prepositions & gerunds ... 21
Unit 23. Quiz ♦ Quantity words ... 22
Unit 24. Quiz ♦ Starting sentences with prepositions ... 23
Unit 26. Quiz ♦ Semi-auxiliary verbs ... 24
Unit 27. Quiz ♦ Although ... 25
Unit 28. Quiz ♦ Adjective clauses with Who ... 26
Unit 29. Quiz ♦ Subject + prepositional phrases + verb ... 27
Unit 31. Quiz ♦ Possessives ... 28
Unit 32. Quiz ♦ Run-on sentennces ... 29
Unit 1. Answer Key ♦ Nouns ... 30
Unit 2. Answer Key ♦ Subject pronouns and verbs ... 30
Unit 3. Answer Key ♦ Subjects of sentences ... 31
Unit 4. Answer Key ♦ Verbs ... 32
Unit 6. Answer Key ♦ Auxiliary verb and main verb ... 32
Unit 7. Answer Key ♦ Auxiliary verb Do & base verb forms ... 33
Unit 8. Answer Key ♦ Modals ... 33
Unit 9. Answer Key ♦ Present & past tense ... 34
Unit 11. Answer Key ♦ Clauses and compound sentences ... 34
Unit 12. Answer Key ♦ Prepositions ... 35
Unit 13. Answer Key ♦ Non-referential It ... 35
Unit 14. Answer Key ♦ There, their ... 36
Unit 16. Answer Key ♦ Because & since ... 36
Unit 17. Answer Key ♦ Have: auxiliary & main verb ... 37
Unit 18. Answer Key ♦ Present perfect vs past tense ... 38
Unit 19. Answer Key ♦ These, those, this, that ... 39
Unit 21. Answer Key ♦ Gerunds ... 39
Unit 22. Answer Key ♦ Prepositions & gerunds ... 40
Unit 23. Answer Key ♦ Quantity words ... 41
Unit 24. Answer Key ♦ Starting sentences with prepositions ... 42
Unit 26. Answer Key ♦ Semi-auxiliary verbs ... 43
Unit 27. Answer Key ♦ Although ... 44
Unit 28. Answer Key ♦ Adjective clauses with Who ... 45
Unit 29. Answer Key ♦ Subject + prepositional phrases + verb ... 46
Unit 31. Answer Key ♦ Possessives ... 47
Unit 32. Answer Key ♦ Run-on sentennces ... 48
◆ Contents
Unit 1. Quiz ♦ Nouns ... 4
Unit 2. Quiz ♦ Subject pronouns and verbs ... 5
Unit 3. Quiz ♦ Subjects of sentences ... 6
Unit 4. Quiz ♦ Verbs ... 7
Unit 6. Quiz ♦ Auxiliary verb and main verb ... 8
Unit 7. Quiz ♦ Auxiliary verb Do & base verb forms ... 9
Unit 8. Quiz ♦ Modals ... 10
Unit 9. Quiz ♦ Present & past tense ... 11
Unit 11. Quiz ♦ Clauses and compound sentences ... 12
Unit 12. Quiz ♦ Prepositions ... 13
Unit 13. Quiz ♦ Non-referential It ... 14
Unit 14. Quiz ♦ There, their ... 15
Unit 16. Quiz ♦ Because & since ... 16
Unit 17. Quiz ♦ Have: auxiliary & main verb ... 17
Unit 18. Quiz ♦ Present perfect vs past tense ... 18
Unit 19. Quiz ♦ These, those, this, that ... 19
Unit 21. Quiz ♦ Gerunds ... 20
Unit 22. Quiz ♦ Prepositions & gerunds ... 21
Unit 23. Quiz ♦ Quantity words ... 22
Unit 24. Quiz ♦ Starting sentences with prepositions ... 23
Unit 26. Quiz ♦ Semi-auxiliary verbs ... 24
Unit 27. Quiz ♦ Although ... 25
Unit 28. Quiz ♦ Adjective clauses with Who ... 26
Unit 29. Quiz ♦ Subject + prepositional phrases + verb ... 27
Unit 31. Quiz ♦ Possessives ... 28
Unit 32. Quiz ♦ Run-on sentennces ... 29
Unit 1. Answer Key ♦ Nouns ... 30
Unit 2. Answer Key ♦ Subject pronouns and verbs ... 30
Unit 3. Answer Key ♦ Subjects of sentences ... 31
Unit 4. Answer Key ♦ Verbs ... 32
Unit 6. Answer Key ♦ Auxiliary verb and main verb ... 32
Unit 7. Answer Key ♦ Auxiliary verb Do & base verb forms ... 33
Unit 8. Answer Key ♦ Modals ... 33
Unit 9. Answer Key ♦ Present & past tense ... 34
Unit 11. Answer Key ♦ Clauses and compound sentences ... 34
Unit 12. Answer Key ♦ Prepositions ... 35
Unit 13. Answer Key ♦ Non-referential It ... 35
Unit 14. Answer Key ♦ There, their ... 36
Unit 16. Answer Key ♦ Because & since ... 36
Unit 17. Answer Key ♦ Have: auxiliary & main verb ... 37
Unit 18. Answer Key ♦ Present perfect vs past tense ... 38
Unit 19. Answer Key ♦ These, those, this, that ... 39
Unit 21. Answer Key ♦ Gerunds ... 39
Unit 22. Answer Key ♦ Prepositions & gerunds ... 40
Unit 23. Answer Key ♦ Quantity words ... 41
Unit 24. Answer Key ♦ Starting sentences with prepositions ... 42
Unit 26. Answer Key ♦ Semi-auxiliary verbs ... 43
Unit 27. Answer Key ♦ Although ... 44
Unit 28. Answer Key ♦ Adjective clauses with Who ... 45
Unit 29. Answer Key ♦ Subject + prepositional phrases + verb ... 46
Unit 31. Answer Key ♦ Possessives ... 47
Unit 32. Answer Key ♦ Run-on sentennces ... 48