Appartieni

Appartieni is the second person singular present indicative form of the Italian verb appartenere, meaning to belong or to pertain. It is used when the subject is you (tu) and expresses that something belongs to you or that you are a member of a group, category, or relationship.

Etymology and form: The verb appartenere derives from Latin appertinere, built from ad- plus pertinere, meaning to pertain or belong. In Italian, appartieni reflects the regular -ere verb conjugation for the tu form in the present indicative, with the full present tense paradigm including io appartengo, tu appartieni, lui/lei appartiene, noi apparteniamo, voi appartenete, loro appartengono.

Usage and examples: Common constructions include questions such as A chi appartieni? (To whom do you belong?) and statements like Tu appartieni a questa squadra. It is also used to indicate possession or affiliation with a person, group, or object, as in Questo libro appartiene a Marco (This book belongs to Marco), where the third person form is used. For related meanings, speakers often substitute verbs such as far parte di or appartenere to, depending on nuance.

Related forms and notes: The noun form apparterenza or appartenenza means belonging or affiliation, and the past participle appartenuto is used in compound tenses or as an adjective. The broader verb family includes io appartengo, noi apparteniamo, voi appartenete, loro appartengono, forming a regular -ere conjugation pattern in the present tense.

In summary, appartieni functions as a standard present-tense form of appartenere, used to state or inquire about what or whom someone belongs to.