The form of the verb is imperfect. The preaching of the word is generic. It is restricted to third person singular) These requirements are met in sentences like It is good or bad rental houses employees is needed in these last examples the reference of the clitic is a noun is indefinite, or indefinite or impersonal, which has the features of terecera person singular, but has no way if one of these conditions are not met occurs ungrammaticality or unacceptability of the sentence (marked by *) * houses were rented (the verb form is perfective) * The rent these houses (houses no longer preaching generic, but specific) * It is good or bad (the subjects are third plural, not singular) For more ways to be plural or singular verb and the direct object Academy offers the following clarification. . .