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Нам нужно договориться о времени встречи до вечера.

Нам нужно договориться о времени встречи до вечера.
We need to agree on the meeting time by the evening.

Breakdown of Нам нужно договориться о времени встречи до вечера.

о
about
нам
us
договориться
to agree
время
time
встреча
meeting
нужно
to need / to have to
до
by / until
вечер
evening
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Questions & Answers about Нам нужно договориться о времени встречи до вечера.

Why does it start with нам? What case is that?

Нам is the dative plural form of мы (to us / for us).
Russian often uses the dative to mark the person who needs something in impersonal sentences:

  • Нам нужно… = We need… / It’s necessary for us to…
Why is it нужно (neuter singular) and not something that agrees with нам?

Because нужно is used in an impersonal construction. There’s no grammatical subject like мы in the nominative; instead Russian uses a “neutral” predicate:

  • (Кому?) нам + нужно + (что? / что сделать?)
    So нужно stays neuter singular by default in this pattern.
What’s the difference between нам нужно and нам надо?

They’re very close in meaning: both mean we need / we must / we have to.
Common nuance:

  • надо is often a bit more conversational and “practical necessity”
  • нужно can sound slightly more “necessity/requirement” (but in everyday speech they often overlap)

Examples:

  • Нам надо поговорить. = We need to talk. (very common)
  • Нам нужно поговорить. = We need to talk. (also common, slightly more “necessity”)
Why is договориться reflexive (-ся)? Does it mean “to agree” or “to make an agreement”?

Договориться means to reach an agreement / to agree (with each other), and it’s reflexive because it implies mutual action (two or more people coming to an agreement).
Typical patterns:

  • договориться о чём? = agree on what?
  • договориться с кем? = come to an agreement with whom?

So here: договориться о времени встречи = agree on the time of the meeting.

Why is it договориться, not договариваться? (Aspect question)

Договориться is perfective: it focuses on successfully reaching the agreement (a completed result).
Договариваться is imperfective: it focuses on the process of negotiating/arranging.

In this sentence, the idea is: we need to reach an agreement by a deadline, so perfective is natural:

  • Нам нужно договориться… = We need to come to an agreement (and finish it).
Why do we use о here, and what case comes after it?

Because the verb договориться commonly takes о + prepositional to mean agree about/on something:

  • договориться о чём? → о времени (prepositional)

So времени here is prepositional (not genitive), because of о.

In о времени встречи, what case is встречи and why?

встречи is genitive singular because it depends on время in the meaning the time of (the) meeting.
This is a common “noun + noun in genitive” relationship in Russian:

  • время чего? = time of what? → встречи

So:

  • о времени (prep, after о)
  • встречи (gen, dependent on время)
Could I also say о времени для встречи? Is that different?

Yes, and it’s slightly different:

  • о времени встречи = the meeting time (the time when the meeting happens)
  • о времени для встречи = the time available/suitable for meeting (more like “a time slot”)

Both can work, but о времени встречи is the most direct for “meeting time.”

Why is it до вечера? What case is вечера?

до meaning until / by (a deadline) requires the genitive:

  • до чего? → до вечера (genitive)

So вечера is genitive singular of вечер.

Does до вечера mean “before evening starts” or “by this evening”?

Often it functions like by this evening (deadline). It can be understood as “no later than evening.”
Depending on context, it might mean:

  • sometime before evening (deadline)
  • by the evening (same practical meaning)

If you wanted to emphasize “toward evening” (not a deadline), Russian often uses к вечеру:

  • к вечеру = by/toward evening (arrival point)
  • до вечера = until / by evening (deadline limit)
Is the word order fixed? Could I move до вечера earlier?

It’s flexible. The original order is very natural. You can move до вечера for emphasis:

  • Нам нужно до вечера договориться о времени встречи.
    This highlights the deadline more strongly.
Where is the stress in the tricky words?

Common stresses:

  • нам (one syllable)
  • нУжно (stress on у)
  • договорИться (stress on и)
  • врЕмени (stress on е)
  • встрЕчи (stress on е)
  • до вЕчера (stress on е in вЕчера)