The document outlines 20 rules for subject-verb agreement in English. Some key points include:
- Non-count nouns and collective nouns usually take singular verbs, but collective nouns can be plural if the group is viewed as individuals.
- Proper nouns ending in "s", distances/times/money indicating a single unit, and gerund/infinitive subjects take singular verbs.
- Subjects joined by "and", "either/or", or "neither/nor" take verbs agreeing with the closest subject.
- Verbs agree with the subject, not other elements like prepositional phrases between the subject and verb.
- Relative pronouns like "who", "which