The verb subir means to go up, usually up the stairs. Tú subes is <span>2nd person singular.
</span>1st person singular would be - Yo subo, and plural - Nosotros subimos. 2nd person plural would be - Vosotros <span>subís. </span>3rd person singular would be <span>él/ella/Usted sube, and plural - ellos/ellas/Usteden suben. </span>
