Ми чекаємо тридцять хвилин.

Чекаємо is the 1st person plural present tense form of чекати, meaning to wait.

So:

• я чекаю = I wait / I am waiting
• ми чекаємо = we wait / we are waiting

In this sentence, чекаємо matches ми = we.

Yes. Ukrainian often drops subject pronouns when the verb already makes the subject clear.

So both of these are possible:

• Чекаємо тридцять хвилин.
• Ми чекаємо тридцять хвилин.

Adding ми can make the subject more explicit, add emphasis, or help with clarity. Since чекаємо already means we are waiting, ми is not always necessary.

In Ukrainian, duration is often expressed without a separate word for for.

So English:

• We are waiting for thirty minutes

becomes Ukrainian:

• Ми чекаємо тридцять хвилин.

This is normal. Ukrainian often uses just the time expression directly to show duration.

Because after numbers 5 and higher, Ukrainian nouns usually take the genitive plural.

So:

• одна хвилина = one minute
• дві / три / чотири хвилини = two / three / four minutes
• п’ять хвилин, десять хвилин, тридцять хвилин = five / ten / thirty minutes

That is why хвилин is used here. It is the form expected after тридцять.

Хвилин is the genitive plural of хвилина.

You can think of the pattern like this:

• 1 → nominative singular: одна хвилина
• 2, 3, 4 → a special plural pattern often seen as хвилини
• 5+ → genitive plural: хвилин

Since тридцять is above 5, хвилин is correct.

It can mean either, depending on context.

Ukrainian present tense often covers both:

• we wait
• we are waiting

So Ми чекаємо тридцять хвилин could be understood as a present action, and in many contexts English would naturally translate it as We have been waiting for thirty minutes or We are waiting for thirty minutes, depending on the situation.

Context decides the best English translation.

It can be understood that way, but very often a Ukrainian speaker would make it more explicit by adding вже:

• Ми вже чекаємо тридцять хвилин.

That gives the sense of:

• We have already been waiting for thirty minutes
• more naturally in English: We’ve been waiting for thirty minutes already

So your sentence is grammatical, but вже often makes the intended meaning clearer.

Yes. Ukrainian word order is more flexible than English.

The neutral order here is:

• Ми чекаємо тридцять хвилин.

But you may also hear:

• Тридцять хвилин ми чекаємо.
• Чекаємо ми тридцять хвилин.

These alternatives can change the focus or emphasis, but not the basic meaning.

As a learner, the original order is the safest and most neutral one.

A helpful approximation is:

My che-KA-ye-mo tryd-TSYAT khvy-LYN

A few pronunciation notes:

• ч sounds like ch in church
• є in чекаємо gives a ye sound
• х is like a throaty h or the ch in Scottish loch
• stress:
  • чека́ємо
  • три́дцять
  • хвили́н

Here is the breakdown:

• ми = we
• чекаємо = we wait / we are waiting
  → base verb: чекати
• тридцять = thirty
• хвилин = minutes
  → dictionary form: хвилина

So the sentence is built very straightforwardly: we + wait + thirty minutes.

The normal verb here is чекати, and that is the most common choice.

In some contexts, you may also meet related expressions, but for a simple sentence like this, чекати is exactly the verb learners should know and use.

So:

• Ми чекаємо тридцять хвилин. is a standard, correct structure.