This is the 999th most frequent Romanian word.
ati
"Ati" is a Romanian auxiliary verb used for forming compound tenses, equivalent to "have" in English.
In this sentence, 'ați' is used as an auxiliary verb in the past tense for the 2nd person plural formal or plural context.
Ați mers la magazin?
Have you gone to the store?
Here, 'ați' is again an auxiliary verb for the past perfect tense, indicating the 2nd person plural subject.
V-ați terminat temele?
Did you finish your homework?
In this sentence, 'ați' works as an auxiliary verb in the reflexive past tense form for addressing politely or multiple subjects.