Here are some examples of how "years" is used in grammar:
* Subject: "Years have passed since we last saw each other."
* Object: "I've been studying for years."
* Prepositional Object: "He lived in that house for many years."
* Possessive: "The dog's years are numbered."
* Part of a phrase: "Over the past few years, the company has grown significantly."
Important points:
* Singular form: The singular form of "years" is "year."
* Collective noun: While "years" is plural, it can also be used as a collective noun, referring to a period of time as a whole. For example, "The 1920s were a time of great change."
* Use with numbers: When talking about a specific number of years, use the plural form. For example, "He waited three years"
Let me know if you have any other grammatical questions!