The Croatian Past Tense
The Croatian past (the perfekt) is two small parts: a participle that agrees like an adjective, and the biti clitic you've known since «ja sam». The grammar is easy. The word order is the law — and this lesson makes you a law-abiding citizen.
Two Small Parts
Take the verb, swap the infinitive ending for -o / -la / -lo, add the clitic:
| Speaker | Croatian | English |
|---|---|---|
| man | Radio sam. | I worked. |
| woman | Radila sam. | I worked. |
| man | Bio sam doma. | I was at home. |
| woman | Bila sam doma. | I was at home. |
The participle agrees with the speaker — Croatian pasts always know who's talking.
Second Position Is Law
The clitic (sam/si/je…) hides in second position, no matter what comes first:
| Right | Wrong |
|---|---|
| Jučer sam bio doma. | ✗ Jučer bio sam doma. |
| Bio sam doma. | ✗ Sam bio doma. |
Lead with jučer (yesterday), and sam slips in right behind it. Lead with the participle, and sam follows that. Slot two, always — the same law that placed je in «Petra je profesorica» back in chapter one.
The Whole Row
| Person | Masculine | Feminine |
|---|---|---|
| ja | bio sam | bila sam |
| ti | bio si | bila si |
| on / ona | bio je | bila je |
| mi | bili smo | bile smo |
| oni / one | bili su | bile su |
Bili smo na moru cijeli vikend.
We were at the seaside all weekend.
Note: Plural bili + smo; na moru — locative, because you were THERE.
One irregular worth learning on day one: ići → išao / išla — «Išao je doma» (he went home).
Questions and Negatives
| Croatian | English |
|---|---|
| Gdje si bio jučer? | Where were you yesterday? |
| Jesi li bila na poslu? | Were you at work? (jesi li + participle) |
| Nisam bio gladan. | I wasn't hungry. |
Note nisam leading the sentence happily — the fused negative is a full word, not a clitic, so the second-position law doesn't bind it.
je Meets se
When je and se collide, je politely vanishes:
Vratila se doma.
She came back home.
Note: Not ✗vratila je se — je disappears before se. The tidiest little rule in the language.
💬 The Monday debrief
Što si radio za vikend?
What did you do over the weekend?
Jučer sam bio na Dolcu, a navečer smo pili kavu na rivi.
Yesterday I was at Dolac, and in the evening we had coffee on the riva.
A Petra?
And Petra?
Vratila se u Split. Bilo je super.
She went back to Split. It was great.