No, “go” is not a preposition. It is a verb.

Function of “Go” as a Verb:

  1. Indicating Movement or Travel
    • We will go to the restaurant later.
    • He goes to work every morning.
  2. Indicating a Change in State
    • The milk has gone bad.
    • She went silent after hearing the news.
  3. Used in Phrasal Verbs
    • Let’s go over the menu before ordering.
    • They went through the restaurant’s financial records.

Why “Go” Is Not a Preposition

  • Prepositions (e.g., in, on, under, about) show relationships between words in a sentence.
  • “Go” is an action word that describes movement or change, making it a verb, not a preposition.

Thus, “go” is a verb, not a preposition.