1. When the subject of a sentence is composed of two or more
nouns or pronouns connected by and, use a plural verb. 2. When
two or more singular nouns or pronouns are connected by or or
nor, use a singular verb. 3. When a compound subject contains
both a singular and a plural noun or pronoun joined by or or
nor, the verb should agree with the part of the subject that is
nearer the verb. 4. Doesn't is a contraction of does not and
should be used only with a singular subject. Don't is a
contraction of do not and should be used only with a plural
subject. 5. Do not be mislead by a phrase that comes between the
subject and the verb. The verb agrees with the subject, not with
a noun or pronoun in the phrase. 6. Expressions such as with,
together with, including, accompanied by, in addition to, or as
well as do not change the number of the subject. If the subject
is singular, the verb is too. 7. The words each, each one,
either, neither, everyone, everybody, anybody, and nobody are
singular and require a singular v