english grammar question regarding a predicate nominative

Match the lack of subject-verb agreement solution to the correct

lack of subject-verb agreement problem: A predicate nominative that

differs in number from the subject

Solutions:

a. Determine whether the noun of amount refers to one unit and is

therefore singular or whether it refers to a number of

individual units and is therefore plural.

b. Make the verb agree with the subject, which is never the

object of the preposition.

c. If the collective noun refers to a group as a whole, use a

singular verb, or if the collective noun refers to each member

of a group individually, use a plural verb.

d. Ignore the predicate nominative, and make the verb agree with

the subject of the sentence.

e. In an inverted sentence look for the subject after the verb.

Then make sure the verb agrees with the subject.