Spanish preterite. Irregular verbs. third pattern servir (i, i) / to serve

Servir

Subject pronoun stem termination meaning
yoserví I served
tuservisteyou served
el/ellasirvshe/he served
usted (yo formal) sirvyou (formal) served
ustedessirvieronyou guys served
nosotros servimos we served
ellos sirvieron they served

The following verbs have this pattern (i,i)
despedirimpedir
elegir medir
repetir seguir
freirreir
servir