Breakdown of Когда ты с друзьями, вечер пролетает незаметно.
ты
you (singular)
друг
friend
когда
when
с
with (also со)
вечер
evening
пролетать
to fly by (impf)
незаметно
unnoticeably
Questions & Answers about Когда ты с друзьями, вечер пролетает незаметно.
Why use пролетает here instead of a regular verb for time passing?
The verb пролетает is built from the unidirectional verb of motion лететь (to fly) plus the prefix про- (through or past). Just like in English, Russian uses flying as a metaphor for time passing quickly. The prefix про- perfectly captures the idea of moving entirely through a block of time, like an evening.
Could I just say вечер летит without the prefix?
Yes, but the focus changes slightly. вечер летит describes the ongoing feeling of the evening moving fast right now. By adding the prefix про-, пролетает adds the sense of the entire evening passing by and completing, often before you even realize it.
Why is the verb 'are' completely missing in Когда ты с друзьями?
This is a quick refresher on the present-tense verb 'to be' in Russian: it is almost always omitted. Even in dependent clauses like this one, you just place the subject and its condition side-by-side. Trying to force a verb like находишься (you are located) here would sound unnaturally clunky.
Why do we use the adverb незаметно instead of an adjective describing the evening?
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