In the subject-verb concordance, the subject and verb must correspond to the number that is singular or plural. Therefore, the subject is plural, then the verb is plural and if the subject is singular, then the verb is singular. Tommy, to preserve the positive roots of clownery, invites dancers to weekly performance fights. the child plays/plays in the garden. (Subject, a child is singular, so the verb will be singular.) The books are kept on the table. (Subject, books are plural, so the verb will be plural.) . . . .