GRAMMAR
V1 = plural verb, V5 = singular verb have = plural, has = singular Subjects and verbs must agree in number. In addition to the explanations on this page, also see the post on Subject-Verb Agreement. Simply, the number of verb must match its number of subjects. V 1 = plural , V 5 = singular 1. If the subject is singular, the verb must be singular too. Example: She writes every day. 2. If the subject is plural, the verb must also be plural. Example: They write every day.