Although this is a dictionary and not a book of spelling or grammar, we will answer, although no one will ever consult this entry. A ver is an expression that denotes interest because they show or clarify (something) and is an exclamation or interjection grammatically speaking. Haber is a verb and a noun . Having is the patrimony of a company or person. The verb haber is an auxiliary that indicates or complements an action: to have been, to have served (in the navy, for example. ) , have lived .