Much More about Pronouns -- American English - Page 15

The following pronouns are always plural. A pronoun that is used in place of them must also be plural.

Note that above many a one was included in a list of pronouns that are always singular, whereas many is included in this plural list. When singular expressions, such as a man, a one, a person , etc., are added to many , the pronoun is singular, not plural.

Several found their cars unlocked. (Several --- plural)
Only a few would give up their freedom. (few -- plural)
Others found their friends in the crowd. (Others -- plural)

Some Pronouns may be Either Singular or Plural

The following pronouns may be singular or plural according to the meaning of the sentence. When these pronouns refer to number they are generally regarded as plural. When they refer to quantity or to a mass, they are regarded as singular.

Some found their children playing in the park. (Some is plural)
Some of the candy has lost its flavor. (Some is singular)
All were waiting for their pay checks. (All is plural)
There was no candy left. All of it had been eaten. (All is singular)
Did any of the men bring their tools? (Any is plural)
None have arrived. (None is plural in use)
None of these is a perfect example. (None is singular in use)