Breakdown of Нас четверо, и мы обычно разделяемся на группы.
и
and
мы
we
обычно
usually
на
on, at / by (transport) / to (a place) / to (in answer to)
нас
us
группа
group
четверо
four (collective)
разделяться
to split up (impf)
Questions & Answers about Нас четверо, и мы обычно разделяемся на группы.
Why do we use нас and the collective numeral четверо instead of just saying мы четыре?
When expressing that there is a certain number of us, you, or them, Russian uses the genitive form of the personal pronoun (нас, вас, or их) paired with a collective numeral (like двое, трое, or четверо). You cannot translate the English 'we are four' literally with the nominative case.
Is нас considered the subject of the first clause?
Conceptually, yes. In this specific construction where a collective numeral acts as the predicate to state 'how many', the logical subject (the personal pronoun) must take the genitive case rather than the standard nominative.
Why does the verb разделяемся have the reflexive -ся ending here?
Without the -ся ending, разделяем means 'we divide' and requires a direct object, like dividing a cake or a bill. Adding the reflexive -ся means the action happens to the subject itself, so it translates perfectly to 'we divide ourselves' or 'we split up'.
Why is на группы in the accusative case rather than the prepositional?
When the preposition на is used with verbs of dividing, splitting, or cutting to mean 'into parts' or 'into groups', it requires the accusative case. It focuses on the direction or the end result of the division, rather than a static physical location.
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