Like the prepositional sentence, the who/the/which clause never contains the subject. The rules of the agreement do not apply to has-haves when used as a second ancillary contract in a couple. When a subject is singular and plural, the verb corresponds to the near subject. If used in the plural, group names mean MORE THAN ONE GROUP. That is why it uses a plural lease. The subject of a sentence must always correspond to the verb that describes its plot. This helps your reader understand who or what is doing something and makes your writing easier to read. A group of words that a topic modifies can also look singular like a plural sub-session. If you are referring to a certain number or quantity of something, classify the verb with the noun and not with the number. Since a phrase like “Neither my brothers nor my father will sell the house” sounds strange, it`s probably a good idea to bring the plural subject closer to the verb whenever possible. Abbreviations and acronyms usually take a singular verb. If you are not sure, check that the full version of the acronym or abbreviation is a singular, plural or collective accessory and refer to the rules above. It is most important to use a consistent form of agreement….