Agreement with Parts of a Whole, with "Doesn't" and "Don't"; Identifying Action Verbs; with Simple Subjects, with "Here," "There," and Questions, with "Or" and "Nor" Compounds, with Math, Money, and Time, with Collective Nouns, with Tricky Nouns, with Indefinite Pronouns, Which Part of the Compound Subject Agrees with the Verb?; and Which Part of the Collective Noun Subject Agrees with the Verb? (http://www.grammar-worksheets.com/worksheets/pdfs/Lesson.Subject-Verb-Agreement.was.were.pdf); (http://www.grammar-worksheets.com/worksheets/pdfs/Lesson.Subject-Verb-Agreement.has.have.pdf); and (http://www.grammar-worksheets.com/worksheets/pdfs/Lesson.Subject-Verb-Agreement.do.does.pdf)