Мы говорим «один из друзей» или «одно из блюд», когда выбираем что‑то одно из группы.

Breakdown of Мы говорим «один из друзей» или «одно из блюд», когда выбираем что‑то одно из группы.

друг
the friend
говорить
to say
мы
we
когда
when
что-то
something
или
or
блюдо
the dish
из
of
выбирать
to choose
один
one
из
out of
группа
the group
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Questions & Answers about Мы говорим «один из друзей» или «одно из блюд», когда выбираем что‑то одно из группы.

Why is it один in один из друзей, but одно in одно из блюд?

Because один changes for gender.

  • один = masculine
  • одна = feminine
  • одно = neuter

It agrees with the singular noun you are talking about:

  • один из друзей = one of the friends
    (the chosen person is друг, which is masculine)
  • одно из блюд = one of the dishes
    (the chosen item is блюдо, which is neuter)

So the pattern is:

  • один из + plural noun for masculine
  • одна из + plural noun for feminine
  • одно из + plural noun for neuter

For example:

  • одна из книг = one of the books
  • один из студентов = one of the students
  • одно из окон = one of the windows
Why do we use из here?

Из here means out of or from among.

So:

  • один из друзей literally means one out of the friends
  • одно из блюд literally means one out of the dishes

This is the normal Russian way to say one of ...:

  • один из моих братьев = one of my brothers
  • одна из причин = one of the reasons
  • одно из писем = one of the letters
Why are друзей and блюд not in the basic dictionary form?

Because after из, Russian normally uses the genitive case.

So:

  • друзья (friends) → друзей
  • блюда (dishes) → блюд

This is why the structure is not:

  • один из друзья
  • одно из блюда

but:

  • один из друзей
  • одно из блюд

This is a very important pattern:

один / одна / одно + из + genitive plural

Why is it genitive plural after из, not singular?

Because you are choosing one thing from a group of several things.

The group must be plural:

  • из друзей = from the friends
  • из блюд = from the dishes

If you used singular, it would sound like you were choosing from just one item, which does not fit the meaning one of.

So:

  • один из друзей = one of the friends
  • not один из друга
Is один here really the number one, or is it more like English a/an?

Here it is really one.

In this structure, один / одна / одно clearly means one out of a group. It is not just an indefinite article.

So:

  • один из друзей = one of the friends
  • not simply a friend

If you just want to say a friend, Russian usually does not use один in the same way English uses a/an.

Can I use this pattern with feminine nouns too?

Yes. You just change один to match the gender of the singular noun.

Examples:

  • одна из книг = one of the books
  • одна из девушек = one of the girls
  • одна из причин = one of the reasons

So the full pattern is:

  • один из ... for masculine
  • одна из ... for feminine
  • одно из ... for neuter
Why does the sentence say что‑то одно, not just что‑то?

Because что‑то одно emphasizes one single thing.

  • что‑то = something
  • что‑то одно = one single thing / some one thing

This matches the idea of choosing one item from a group.

Also, одно is neuter because it agrees with что‑то, which is treated as neuter.

So the phrase means something like:

  • when we choose one thing from a group
Can this structure be used for both people and things?

Yes, absolutely.

For people:

  • один из друзей = one of the friends
  • одна из студенток = one of the female students

For things:

  • одно из блюд = one of the dishes
  • одна из машин = one of the cars
  • одно из решений = one of the decisions

So the structure is very general. It works whenever you mean one item/member out of a larger set.

What is the basic grammar pattern I should remember from this sentence?

The key pattern is:

один / одна / одно + из + genitive plural

Examples:

  • один из друзей
  • одна из книг
  • одно из блюд

Use it when you mean:

  • one of the friends
  • one of the books
  • one of the dishes

So if you know the gender of the singular noun and the genitive plural form of the group noun, you can build this expression correctly.

Could the word order be different?

Usually the most natural order is the one shown:

  • один из друзей
  • одно из блюд

Russian word order is more flexible than English, but this expression is a fixed and common pattern, so learners should treat it as the default form.

In the full sentence, Мы говорим ... когда ... is also the normal, natural order:

  • Мы говорим ... когда выбираем ...

You may sometimes see different word order in broader contexts for emphasis, but for learning the pattern, it is best to remember it exactly as:

один / одна / одно из ...

Why is the sentence using говорим and выбираем in the present tense?

Because Russian often uses the present tense to explain a general rule or how language works.

So:

  • Мы говорим ... = We say ...
  • когда выбираем ... = when we choose ...

This does not mean only right now. It means in general, like an explanation in a grammar book:

  • We say X when we mean Y.

So the sentence is teaching a general usage pattern, not describing one specific moment.