Questions & Answers about Я пообещал прийти вовремя.
What does the prefix in пообещал do compared to обещал?
- пообещал is perfective: a single, completed act of promising. It often corresponds to English past simple or present perfect (I promised / I have promised).
- обещал is imperfective: background, ongoing, or habitual promising (I was promising, I used to promise, I would promise).
- Examples:
- Вчера я пообещал прийти. = I promised (once, completed).
- Раньше я часто обещал приходить вовремя. = I used to promise (habitually).
Why does it end with -л if the subject is Я? What about gender?
- Past tense verbs agree in gender/number, not person. With я, the form shows the speaker’s gender:
- Male speaker: Я пообещал…
- Female speaker: Я пообещала…
- Plural: Мы пообещали…
- Neuter is rare for people, used with neuter subjects: оно пообещало…
Can Я пообещал… mean “I have promised,” not just “I promised”?
Yes. Russian perfective past (пообещал) often matches English present perfect when the result is relevant now: Я пообещал прийти вовремя = I have promised to come on time (so you can count on it).
Why is the infinitive прийти (perfective) used and not (imperfective)?