1. Subject verb agreement 1 - PRACTICE 1, 2, 3, 4, 5
4. Present Perfect Explanation Positive Negative
8. Fragments, run-ons, comma splices: Explanation
9. Fragments, run-ons, comma splices Practice 1, 2, 3
10. Present passive PRACTICE
11. Past passive PRACTICE
12. Modal verbs PRACTICE 1, 2, 3, 4,
13. Imperatives Explanation PRACTICE 1. 2.