Breakdown of На дежурстве врач начинает тестировать самое новое лекарство.
врач
doctor
новый
new
на
on, at / by (transport) / to (a place) / to (in answer to)
начинать
to begin
лекарство
medicine
самый
most
дежурство
duty
тестировать
to test
Questions & Answers about На дежурстве врач начинает тестировать самое новое лекарство.
Why must we use the imperfective verb тестировать after начинает?
This is a strict rule in Russian: phase verbs (verbs about starting, continuing, or finishing an action) must always be followed by an imperfective infinitive. This is because you are beginning the process of testing, not focusing on a sudden, completed result. You can never put a perfective infinitive after verbs like начинать/начать.
Why is начинает in the imperfective aspect here, rather than the perfective начнёт?
The verb начинает is in the present tense, meaning the action is happening now or happens regularly. Perfective verbs in Russian don't have a present tense; if you used the perfective начнёт, the sentence would jump into the future meaning "the doctor will begin".
Why is it на дежурстве instead of в дежурстве?
The word дежурство (duty or shift) refers to a process, event, or state rather than a physical enclosed space. In Russian, abstract events and activities usually take the preposition на in the Prepositional case.
How is the phrase "the newest" formed here with самое новое?
To say "the most" or "-est" in Russian, you often use the modifier самый before the adjective. Both самый and the adjective must match the gender, number, and case of the noun they describe. Because лекарство is a neuter noun in the Accusative case, both words take neuter endings: самое новое.
Since лекарство is the direct object being tested, why didn't its ending change?
It actually is in the Accusative case! However, for neuter nouns (and inanimate masculine nouns), the Accusative case looks exactly the same as the Nominative (dictionary) form. So лекарство keeps its original spelling here.
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