do: Base/infinitive; used for current tense apart from with third individual singular subjects (in addition to the singular they In regards to using “do” and “does,” it’s important to know when to use each depending on if the subject is singular or plural. Here are several recommendations to remember: https://proleviate-nature-s-pain19617.blogdun.com/37931126/does-proleviate-help-with-shoulder-pain-an-overview