or peer-to-peer relations among people who do not know each other well. The use of the pronoun usted: usted sabe, usted viene, usted habla, etc. This is used for all business and other formal interactions, such as student-to-teacher but not always teacher-to-student as well as "upwards" if one person is considered to be well respected, older or of an obviously higher social standing. Stricter parents will demand this kind of speech from their children as well. The Chilean voseo conjugation has only three irregular verbs in the present indicative: ser 'to be', ir 'to go', and haber 'to have' (auxiliary). Conjugation A comparison of the conjugation of the Chilean voseo, the voseo used in Latin American countries other than Chile, and tuteo follows: * Rioplatense Spanish prefers the tuteo verb forms. A 2014 article argues that Chilean, and Rioplatense, Spanish's verb forms with are derived from the same underlying representations as its verb forms with , with a few rules applied. First there is an accentuation rule which assigns stress to the syllable following the verb's base, which is either its root or the infinitive in the case of the future and conditional conjugations. Thus, the underlying representation becomes 'you dance'. This first rule alone derives all of Rioplatense Spanish's voseo forms. Chilean Spanish then has the processes of semi-vocalization and vowel raising. In semi-vocalization, becomes the semivowel after or . Thus, becomes and in general becomes . With vowel raising, stressed becomes . Thus, the underlying form , after stress placement and vowel raising, becomes 'you drink'. Chilean voseo has two different future tense conjugations: one in , as in , and one in , as in 'you will dance'. These come from two different underlying representations, one ending in , and the other ending in . The representation corresponds to a historical future tense form ending in , as in . Such a historical conjugation existed in Spain in the 15th and 16th centuries, alongside the endings, and was recorded in Chile in the 17th century. All this said, the simple future tense is not actually used that often in Chile. Instead, the periphrastic future construction (ie ) is more common. Ser In Chile, there are various ways to say 'you are' to one person. Vo(s) soi Vo(s) erí(s) Tú soi Tú erí(s) Tú eres Usted es Only the last two are considered Standard Spanish. Usage depends on