This article provides a grammar sketch of Basque grammar. Basque is the language of the Basque people of the Basque Country or Euskal Herria, which borders the Bay of Biscay in Western Europe. The Basque noun phrase is structured quite differently from those in most Indo-European languages. Determiners and quantifiers play a central role in Basque noun phrase structure. Articles are best treated as a subset of the determiners. Personal pronouns differentiate three persons and two numbers. Zu must once have been the second-person plural pronoun but is now only the polite singular, having partially displaced the original second-person singular pronoun hi, now a markedly familiar form of address. Zuek represents a repluralised derivative of zu and is now the only second-person plural pronoun. The function of third-person personal pronouns may be filled by any of the demonstrative pronouns or their emphatic counterparts in ber-. Besides these ordinary personal pronouns, there are emphatic (or intensive) ones, whose forms vary considerably between dialects: the first-person singular is neu, nerau, neroni or nihaur. The demonstrative determiners (see above) may be used pronominally (as indeed can all the determiners except for the articles). There are also emphatic (intensive) demonstrative pronouns beginning with ber-. It has often been noted that in traditional usage (but less so among modern speakers), there is often an explicit correlation between the three degrees of proximity in the demonstrative forms and the grammatical persons, such that hau is made to correspond to ni, hori to hi/zu and so on. One manifestation of this (others lie beyond the scope of this sketch) is the now old-fashioned mode of addressing persons in social positions commanding special respect (such as a priest, for example) using third-person verb forms and, for the personal pronoun, the second-degree intensive demonstrative berori (see the above table).