If you learn only one past tense in Romanian, learn this one. The perfect compus — literally "the compound perfect" — is how Romanian speakers report virtually every completed past action in everyday life: am mâncat (I ate / I have eaten), ai mers (you went), a venit (he came). It is built from a short auxiliary plus an unchanging past participle, it works the same for every person and gender, and it is the only simple-style past tense the spoken language actually uses. Romania does have a one-word past (the perfect simplu, mâncai), but it survives mainly in literature and one corner of the southwest; in conversation across the country, the perfect compus does all the work. Master it and you can talk about the past at all.
How it is built: am + participle
The recipe is dead simple and identical for every verb:
reduced form of a avea (to have) + past participle
The auxiliary is a set of six short forms — am, ai, a, am, ați, au — and the participle is fixed. Put them together and you have a finished past:
| Person | Auxiliary | Example (a mânca → mâncat) | Meaning |
|---|---|---|---|
| eu | am | am mâncat | I ate / I have eaten |
| tu | ai | ai mâncat | you ate |
| el / ea | a | a mâncat | he / she ate |
| noi | am | am mâncat | we ate |
| voi | ați | ați mâncat | you (pl.) ate |
| ei / ele | au | au mâncat | they ate |
Notice that only the little auxiliary changes from person to person. The participle mâncat never moves.
Am mâncat deja, mulțumesc.
I've already eaten, thanks.
Ai mers la magazin?
Did you go to the shop?
A venit și Maria la petrecere.
Maria came to the party too.
The participle does not agree
This is the single most important structural fact, and it is the opposite of what speakers of French or Italian expect. In the perfect compus, the participle is invariable — it does not change for the subject's gender or number. A man and a woman both say am mers (I went); "they went" is au mers whether they are masculine, feminine, or mixed.
| Subject | Form | Meaning |
|---|---|---|
| Ion (m.) | a mers | Ion went |
| Maria (f.) | a mers | Maria went |
| băieții (m. pl.) | au mers | the boys went |
| fetele (f. pl.) | au mers | the girls went |
Ele au plecat acasă, iar el a rămas.
They (the women) went home, and he stayed.
Fata a ajuns prima.
The girl arrived first. (participle 'ajuns' unchanged)
It covers both English past tenses
A single perfect compus form does the work of two English tenses: the simple past ("I ate") and the present perfect ("I have eaten"). Romanian does not distinguish them grammatically; context and adverbs carry the nuance.
Ieri am citit toată ziua.
Yesterday I read all day. (simple past)
Am citit deja cartea asta.
I've already read this book. (present perfect)
Te-am sunat de trei ori azi.
I've called you three times today.
So do not look for a separate "have done" construction — there isn't one. Am citit is both "I read" and "I have read," and you choose the English translation by context.
Why this is THE past tense
It is worth being blunt about priorities. Romanian textbooks sometimes present the perfect simplu (the one-word past: mâncai, mersei, venii) alongside the perfect compus as if they were equal options. They are not, for the spoken language. The perfect simplu is literary and regional — common in narrative prose and in the everyday speech of Oltenia (the southwest), but almost never heard in normal conversation in Bucharest, Transylvania, Moldova, or anywhere else. For your purposes as a learner, the perfect compus is the past tense; the perfect simplu is something to recognize in books, not to produce.
Am terminat proiectul aseară.
I finished the project last night.
Au cumpărat o casă nouă.
They bought a new house.
Common Mistakes
❌ Maria a mers la teatru cu prietena ei și a venită târziu.
Incorrect — the participle never agrees; it stays 'venit', not 'venită'.
✅ Maria a mers la teatru cu prietena ei și a venit târziu.
Maria went to the theatre with her friend and came back late.
Speakers of French or Italian instinctively make the participle agree (venită for a woman). In Romanian the perfect-compus participle is invariable — resist the urge.
❌ Eu a mâncat deja.
Incorrect — 'a' is the third-person auxiliary; first person needs 'am'.
✅ Eu am mâncat deja.
I've already eaten.
❌ Vreau a mâncat. (confusing the auxiliary 'a' with the infinitive marker 'a')
Incorrect — here you need the infinitive 'a mânca', not the participle; the two little words 'a' are different.
✅ Vreau să mănânc. / a mânca.
I want to eat.
The word a is dangerously overloaded: it is the 3rd-person perfect auxiliary (a mâncat = he ate) and the infinitive marker (a mânca = to eat). They are unrelated. a + participle = past; a + infinitive = "to do."
❌ Ei a plecat deja.
Incorrect — 'they' takes the auxiliary 'au', not 'a'.
✅ Ei au plecat deja.
They've already left.
Key Takeaways
- The perfect compus = reduced a avea (am, ai, a, am, ați, au) + invariable past participle.
- Only the auxiliary changes by person; the participle never agrees with gender or number.
- One form covers both the English simple past ("I ate") and present perfect ("I have eaten").
- It is the spoken past tense everywhere in Romania; the one-word perfect simplu is literary/regional — recognize it, don't produce it.
- Watch the overloaded a: 3sg auxiliary (a mâncat) vs infinitive marker (a mânca).
Now practice Romanian
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Start learning Romanian→Related Topics
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- Past Participle: Class I (-at)A1 — How to form the perfectly regular past participle of Class I (-a) verbs by swapping -a for -at, and how that participle behaves invariably in the perfect but agrees as an adjective.
- Perfect Compus vs Imperfect: The Core ContrastB1 — A decision frame for choosing the perfect compus (completed, punctual events) over the imperfect (ongoing, habitual, background) — including the verbs that flip meaning.
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- Perfect Compus vs ImperfectB1 — How to choose between the perfect compus and the imperfect for the Romanian past — completed events vs background, plus the verbs that change meaning.