Без холодильника еда быстро портится.

Without a refrigerator, food spoils quickly.

Breakdown of Без холодильника еда быстро портится.

• еда: the food
• быстро: quickly
• без: without
• холодильник: the refrigerator
• портиться: to get worse

Questions & Answers about Без холодильника еда быстро портится.

Why is холодильника used here instead of холодильник?

Because the preposition без (without) always takes the genitive case in Russian.

• холодильник – nominative singular (dictionary form)
• холодильника – genitive singular

So:

• без холодильника – without a refrigerator
• без воды – without water
• без сахара – without sugar

Whenever you use без, the noun that follows must be in the genitive form.

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What is the role of еда in this sentence, and what form is it in?

Еда is the subject of the sentence, so it is in the nominative case (the form you find in the dictionary).

• еда – nominative singular, feminine noun

Even though in English food is uncountable, in Russian еда behaves like a regular singular noun:

• Еда холодная. – The food is cold.
• Эта еда вкусная. – This food is tasty.

If you change the case, the form will change:

• нет еды – there is no food (genitive singular)
• с едой – with food (instrumental singular)

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Russian has no word like a or the. How do I know whether еда means food, the food, or some food?

Russian does not have articles, so еда can correspond to food, the food, or some food, depending on context.

• Еда на столе. – The food is on the table / Food is on the table.
• Я купил еду. – I bought food / I bought some food.

In this sentence:

• Без холодильника еда быстро портится.
  Context tells us it is a general statement about food in general, so the most natural English is food (in general) spoils quickly.

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What exactly does портится mean, and what is the function of -ся?

Портится is the 3rd person singular, present tense of портиться (imperfective).

• портить – to spoil (something)
• портиться – to get spoiled, to spoil (go bad) by itself

The ending -ся often marks:

• a reflexive action (doing something to oneself)
• or a middle/passive meaning (the subject undergoes a change, is affected)

Here it is middle/passive:

• еда портится – the food gets spoiled / goes bad

Compare:

• Он портит еду. – He spoils the food. (active, портит)
• Еда портится. – The food gets spoiled / goes bad. (middle/passive, портится)

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Why is портится (imperfective) used instead of испoртится (perfective)? What is the difference?

Aspect in Russian:

• портиться (imperfective) – process, general statement, repeated action
• испортиться (perfective) – one completed event, result

In this sentence we are stating a general truth:

• Без холодильника еда быстро портится.
  Without a refrigerator, food (in general) goes bad quickly.
  → Imperfective is correct for general rules and habits.

If you talk about a specific situation in the future, you would use perfective:

• Без холодильника эта еда быстро испортится.
  Without a refrigerator, this food will (end up) spoiling quickly.

So:

• портится – what generally happens / is happening
• испортится – what will happen once and be done

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Can I change the word order? For example, can I say Еда быстро портится без холодильника?

Yes. Russian word order is flexible. All of these are grammatically correct:

1. Без холодильника еда быстро портится.
   – Starting with без холодильника highlights the condition (without a fridge).

2. Еда быстро портится без холодильника.
   – More neutral; starts with the subject еда.

3. Еда без холодильника быстро портится.
   – Focuses slightly more on еда без холодильника as a phrase (food kept without a fridge).

What you usually cannot say is:

• Быстро еда портится без холодильника. – Sounds unnatural in normal speech (though can appear in poetry or very emotional speech).

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What does быстро modify here, and where can it go in the sentence?

Быстро is an adverb meaning quickly / fast and it modifies the verb портится.

Most neutral, common positions:

• Еда быстро портится.
• Без холодильника еда быстро портится.

You can also say:

• Еда портится быстро.

This is also correct and can put a bit more emphasis on how it spoils (it is the speed that you are highlighting).

Unnatural in normal prose:

• Быстро еда портится. – possible in expressive, emotional speech, but not the default word order.

So, basic rule: keep быстро close to the verb or after the subject.

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What is the difference between быстро and скоро? Could I use скоро here?

They are not interchangeable:

• быстро – quickly, fast (focus on speed)
• скоро – soon (focus on when something will happen, not how fast it happens)

In this sentence we talk about how fast food spoils, so you need быстро.

• Без холодильника еда быстро портится. – Food spoils quickly.

If you used скоро, it would sound wrong in this general-statement sentence. You could say in a specific context:

• Без холодильника еда скоро испортится.
  Without a refrigerator, the food will spoil soon.
  (Talking about particular food; focus on time until spoiling, not the speed of the process.)

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How would I say the opposite, something like With a refrigerator, food doesn’t spoil quickly? Do I just replace без with с?

You can use с (with), but native speakers very often talk about food in the fridge, with в холодильнике.

Possible sentences:

1. Very literal contrast to your sentence:

   • С холодильником еда не так быстро портится.
     With a refrigerator, food doesn’t spoil so quickly.

2. More natural formulation (how people usually say it):

   • В холодильнике еда не так быстро портится.
     In the refrigerator, food doesn’t spoil so quickly.

So:

• без холодильника – without a refrigerator
• с холодильником – with a refrigerator
• в холодильнике – in the refrigerator (very common phrasing for storage of food)

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How would this sentence look if we talk about groceries instead of food? Can I use продукты?

Yes, продукты (literally groceries/foodstuffs) is very common in everyday speech. You would just change the subject:

• Без холодильника продукты быстро портятся.

Note the verb:

• продукты – plural
• So you need портятся (3rd person plural), not портится.

Compare:

• Еда быстро портится. – Food (in general) spoils quickly.
• Продукты быстро портятся. – Groceries (perishable items) spoil quickly.

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How does холодильник decline? I see холодильника here; what are the other forms?

Холодильник is a regular masculine noun ending in -ик. Its main singular forms:

• Nominative: холодильник (this is the fridge)
• Genitive: холодильника (no fridge, without a fridge)
• Dative: холодильнику (to the fridge)
• Accusative: холодильник (buy a fridge)
• Instrumental: холодильником (with a fridge)
• Prepositional: о холодильнике (about the fridge, in the fridge)

In your sentence we have без холодильника – genitive after без.

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How do you pronounce this whole sentence? Where is the stress in each word?

Stresses (stressed syllable in capitals):

• Без – one syllable, [bez].
• холодильника – хо-ло-ДИЛЬ-ни-ка
• еда – е-ДА́
• быстро – БЫ́-стро
• портится – ПО́Р-ти-тся

Roughly:

• bez ha-la-DEEL-nee-ka ye-DA BY-stra POR-tee-tsa

So the natural rhythm is:

Без холодильника еда быстро портится.