The Romanian verb "a trebui" means "to must/have to" in English. It is an irregular verb. Below you'll find the complete conjugation tables for "a trebui" across all 5 tenses. New to Romanian verbs? Start with the Romanian verb guide.
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How to Conjugate "a trebui" in the Present Tense
Prezent indicativ Actions happening now or regularly| Person | English | Conjugation |
|---|---|---|
| eu | I | trebuie |
| tu | you (informal) | trebuie |
| el/ea | he/she | trebuie |
| noi | we | trebuie |
| voi | you all | trebuie |
| ei/ele | they | trebuie |
El trebuie să ajungă devreme.
He must arrive early.
How to Conjugate "a trebui" in the Past (completed) Tense
Perfect compus Actions that finished in the past| Person | English | Conjugation |
|---|---|---|
| eu | I | a trebuit |
| tu | you (informal) | a trebuit |
| el/ea | he/she | a trebuit |
| noi | we | a trebuit |
| voi | you all | a trebuit |
| ei/ele | they | a trebuit |
El a trebuit să repare mașina.
He had to fix the car.
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Imperfect Actions that were ongoing in the past| Person | English | Conjugation |
|---|---|---|
| eu | I | trebuia |
| tu | you (informal) | trebuia |
| el/ea | he/she | trebuia |
| noi | we | trebuia |
| voi | you all | trebuia |
| ei/ele | they | trebuia |
El trebuia să termine proiectul ieri.
He had to finish the project yesterday.
How to Conjugate "a trebui" in the Future Tense
Viitor Actions that will happen| Person | English | Conjugation |
|---|---|---|
| eu | I | va trebui |
| tu | you (informal) | va trebui |
| el/ea | he/she | va trebui |
| noi | we | va trebui |
| voi | you all | va trebui |
| ei/ele | they | va trebui |
El va trebui să lucreze sâmbătă.
He will have to work Saturday.
How to Conjugate "a trebui" in the Would (conditional) Tense
Condițional prezent Hypothetical actions| Person | English | Conjugation |
|---|---|---|
| eu | I | ar trebui |
| tu | you (informal) | ar trebui |
| el/ea | he/she | ar trebui |
| noi | we | ar trebui |
| voi | you all | ar trebui |
| ei/ele | they | ar trebui |
El ar trebui să vină la timp.
He should come on time.
Frequently Asked Questions About "a trebui"
Is "a trebui" regular or irregular in Romanian?
"A trebui" is an irregular Romanian verb, meaning its conjugation does not follow standard patterns and must be memorized individually.
What does "a trebui" mean in English?
The Romanian verb "a trebui" means "to must/have to" in English.
How do you conjugate "a trebui" in the present tense?
In the present tense (Prezent indicativ): eu → trebuie, tu → trebuie, el/ea → trebuie, noi → trebuie, voi → trebuie, ei/ele → trebuie.
How many tenses does "a trebui" have in Romanian?
"A trebui" is conjugated across 5 tenses in Romanian: Present, Past (completed), Past (ongoing), Future, Would (conditional).
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