If the different parts of the compound subject are connected by or not, use the verb (singular or plural) that corresponds to the subject closer to the verb. How to match subject and verb: 1.Identify the subject of the sentence. 2.Decide if the theme is singular or plural. 3.Finally, decide which verb form corresponds to the subject. 10. The only time the object of the preposition decides which forms are plural or singulate is when subjects of nouns and pronouns such as “some”, “mi”, “none”, “plus” or “all” are followed by a prepositional sentence. Then, the object of the preposition determines the form of the verb. 1. Subjects and verbs must match in number. It is the rule of the cornerstone that constitutes the background of the concept. .