The number of + nouns is a singular subject, and it takes a singular verb. For example, she writes every day. Exception: If you use the singular “she”, use plural forms. Example: the participant said he was satisfied with his work. They are currently in a leadership role within the organization. Rule 1. A topic will come before a sentence that will begin with. This is a key rule for understanding topics. The word of the is the culprit of many errors, perhaps most of the errors of subject and verb.
Hasty authors, readers and listeners might ignore the all-too-common error in the following sentence: 1. If the subject of a sentence is composed of two or more nouns or pronouns that are by and connected, use a plural. . . .