Singular and Plural Video Lesson Exercise 1.1 Exercise 1.2 Exercise 1.3 Exercise 1.4 Exercise 1.5 Fine Points of Subject-Verb Agreement Video Lesson Exercise 2.1 Exercise 2.2 Exercise 2.3 Exercise 2.4 Exercise 2.5 Pronoun-Antecedent Agreement Video Lesson Exercise 3.1 Exercise 3.2 Exercise 3.3 Exercise 3.4