I wouldn’t even include the “tu” or “vos”. The verb form is, in itself, unambiguous; it doesn’t require the pronoun to indicate which person is being talked about. Putting the pronoun there is optional, but not common unless you really, really want to emphasise this point. So it would be “delebimini” all by itself.
As others have noted, you don’t construct Latin verb forms with auxiliary verbs such as “be” or “have” as you do in English; rather, you have one verb form which combines, in one word, the tense (preent, past, future), the mode (indicative, subjunctive) and the voice (active, passive), plus the person you talk about. You need to look up conjugation tables for that verb (or another verb that has the same conjugation) to find the correct verb form.