Need the rule behind this exercise? Read Verb aspect. For the bigger picture, explore Russian grammar.
Aspect in Discourse: Background and Result
Practice aspect in narrative background and foreground, iterative and resultative meanings, and modal and negative constructions.
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Browse Verb Aspect practiceQuestion 1
Когда я ___ домой, зазвонил телефон.
English context
As I was walking home, the phone rang. Choose the form of идти/пойти.
Options
- шёл
- пошёл
- иду
- пойду
Accepted answers and explanation
Accepted answers
- шёл
Correct feedback
Correct. Шёл supplies the ongoing background while the ringing is foregrounded.
Grammar rule
Imperfective aspect commonly presents a background action in progress; perfective marks a bounded foreground event.
Question 2
Он открыл окно, ___ комнату и вышел.
English context
He opened the window, aired the room, and left: a sequence of completed events.
Options
- проветрил
- проветривал
- проветривает
- проветрит
Accepted answers and explanation
Accepted answers
- проветрил
Correct feedback
Correct. Проветрил is perfective and advances the sequence.
Grammar rule
Perfective verbs often create narrative foreground by presenting successive bounded events.
Question 3
Пока дети ___, мать приготовила ужин.
English context
While the children were playing, their mother prepared dinner.
Options
- играли
- поиграли
- поиграют
- играют
Accepted answers and explanation
Accepted answers
- играли
Correct feedback
Correct. Играли gives the ongoing background for the completed dinner preparation.
Grammar rule
In пока clauses, imperfective often expresses an action in progress alongside another event.
Question 4
Он часто ___ эту статью, когда готовился к экзамену.
English context
He often reread this article while preparing for an exam; the repeated habit is the focus.
Options
- перечитывал
- перечитал
- перечитывает
- прочитает
Accepted answers and explanation
Accepted answers
- перечитывал
Correct feedback
Correct. Часто and the exam-preparation routine make перечитывал an imperfective habitual action.
Grammar rule
Imperfective aspect describes habitual or repeated activity when the discourse does not present one bounded result.
Question 5
Он уже ___ отчёт, когда начальник пришёл.
English context
He had already finished the report when the manager arrived.
Options
- написал
- писал
- пишет
- напишет
Accepted answers and explanation
Accepted answers
- написал
Correct feedback
Correct. Уже and the later arrival show a completed prior result: написал.
Grammar rule
Perfective can establish a completed event as a prior result against a later narrative event.
Question 6
Он не смог ___ задачу без помощи.
English context
He was unable to solve the problem without help; the intended result was not achieved.
Options
- решить
- решать
- решает
- решил
Accepted answers and explanation
Accepted answers
- решить
Correct feedback
Correct. Не смог реши́ть refers to the unattained goal or result.
Grammar rule
With не смог, a perfective infinitive commonly denotes an unachieved intended result; imperfective can instead focus on the activity.
Question 7
Он не ___ задачу, а только обсуждал её.
English context
He did not solve the problem; he only discussed it. The result is explicitly denied.
Options
- решил
- решал
- решает
- решит
Accepted answers and explanation
Accepted answers
- решил
Correct feedback
Correct. Решил denies the achievement of the specific solution.
Grammar rule
Negated perfective can deny that a specific action reached its intended result; imperfective would often deny the activity itself.
Question 8
Она и сейчас ___ отчёты по пятницам, но на этой неделе ещё не ___.
English context
She still writes reports on Fridays, but this week she has not written one yet. The first clause is explicitly present and habitual.
Options
- пишет, написала
- написала, пишет
- пишет, писала
- писала, написала
Accepted answers and explanation
Accepted answers
- пишет, написала
Correct feedback
Correct. Пишет is the current habitual form, while ещё не написала denies a completed report this week.
Grammar rule
Aspect can shift within one sentence: imperfective present for a current recurring pattern and perfective past for a specific result not yet achieved.
Question 9
Когда он ___ письмо, он перечитает его перед отправкой.
English context
When he finishes writing the letter, he will reread it before sending it.
Options
- напишет
- пишет
- писал
- написал
Accepted answers and explanation
Accepted answers
- напишет
Correct feedback
Correct. Напишет marks the completed future letter before the next action.
Grammar rule
A perfective future in a когда clause can mark completion before another future action.
Question 10
Он мог ___ весь текст часами, но решил остановиться.
English context
He could have spent hours reading the text, but decided to stop; the possible activity, not completion, is meant.
Options
- читать
- прочитать
- читал
- читает
Accepted answers and explanation
Accepted answers
- читать
Correct feedback
Correct. Часами makes the possible activity and its duration salient, so читать is imperfective.
Grammar rule
After a modal, an imperfective infinitive emphasizes the possibility or duration of an activity; a perfective infinitive would emphasize completing it.