grammar, plural forms are used in personal and possessive pronouns ( – you, – your) and in verbs, but not in participles and adjectives, they are used in singular forms (when addressing a single person). This differs from some other Slavic languages (Slovak, Russian, etc.) Greetings are also connected with T–V distinction. Formal (good day) and (good-bye) are used with formal , while , , (meaning both hello, hi, and bye) are informal and used with . Lithuanian In Lithuanian, historically, aside from familiar and respectful or , also used to express plural, there was a special form , mostly referred to in third person singular (although referring in second person singular is also not uncommon). This form was used to communicate with a stranger who has not earned particular respect (a beggar, for example). Modern Lithuanian Dictionary describes as a polite form of second singular person , making its meaning somewhere in the middle between informal and formal . Through the Soviet occupation period, however, this form was mostly replaced by standard neutral form (the vocative case for , "comrade", the latter being the standard formal form of addressing in all languages of the Soviet Union used in all situations, from "comrade Stalin" to "comrade student"), and by now is used sparsely. A common way of addressing people whom one doesn't know well is also (m) and (f), from Polish forms of address and , respectively. Indic Hindi and Urdu In the standard forms of both Hindi and Urdu there are three levels of honorifics: : The formal V-form used to address another person. Used with third-person verbs or separate honorific verb forms in all formal settings and when speaking to persons who are senior in age or social hierarchy. No difference between the singular and the plural; plural reference can, however, be indicated by the use of "you people" ( ) or "you all" ( ). In certain dialects, it is sometimes combined with a second-person verb when speaking to persons lower in social hierarchy or, generally, to reduce distance while avoiding the informal flavour of . This form is, however, strictly dialectal and not considered standard in Hindi and Urdu. Aap should always be used for strangers, and especially in Urdu, is the preferred pronoun for normal conversation. : Originally, a plural pronoun ("you"), it is nowadays used as singular V-form in all informal settings and when