do: Base/infinitive; useful for existing tense apart from with 3rd person singular subjects (besides the singular they In terms of utilizing “do” and “does,” it’s important to understand when to implement each one based upon whether the subject matter is singular or plural. Here are some pointers to remember: https://elliottzvmcb.sasugawiki.com/7392640/a_review_of_does_proleviate_help_with_shoulder_pain