What is the plural form of sentence you are one my best friends?

This is a bit tricky because the sentence is grammatically incorrect. Here's why and how to fix it:

* The original sentence is incorrect: "You are one my best friends" should be "You are one of my best friends."

* The plural form is: "You are some of my best friends."

Here's why:

* "One" is singular: The word "one" is singular, and it doesn't make sense to say "one my best friends."

* "Some" is plural: To refer to more than one friend, you need a plural word like "some," "many," or "a few."

So, the corrected and plural form of the sentence would be: "You are some of my best friends."