The document provides 11 guidelines for making subjects and verbs agree:
1. Use a plural verb with subjects joined by "and".
2. Use a singular verb with subjects joined by "or" or "nor".
3. The verb agrees with the part of the subject nearer the verb if joined by "or" or "nor".
4. Use "doesn't" with singular subjects and "don't" with plural or first/second person subjects.
5. The verb agrees with the subject, not intervening phrases or words.
6. Words like "each" and "everybody" are singular.
7. Nouns like "news" and "dollars" can be singular or