Интернет не заменяет живого разговора.

It is in the genitive singular: живого разговора.

A learner might expect the direct object to be in the accusative, and normally that is true. But after a negated verb, Russian often allows or prefers the genitive of negation.

So:

• affirmative: Интернет заменяет живой разговор
• negative: Интернет не заменяет живого разговора

This is a very common Russian pattern, and it often sounds a bit more general or abstract in negative statements.

Breakdown:

• живой → живого
• разговор → разговора

Both words change because the adjective must agree with the noun.

Yes, that is also grammatically possible in modern Russian.

So both of these can occur:

• Интернет не заменяет живой разговор — accusative
• Интернет не заменяет живого разговора — genitive after negation

The version with genitive can sound a bit more idiomatic, generalized, or formal in this kind of statement. The accusative version is more straightforward and may feel more concrete.

For a learner, the important thing is:

• both exist
• the sentence you were given uses a very normal Russian pattern with negation

Заменяет is the 3rd person singular present tense of заменять.

That matches the subject Интернет, which is singular:

• я заменяю — I replace
• ты заменяешь — you replace
• он / она / интернет заменяет — he / she / it / the Internet replaces

Here it means does not replace in a general, ongoing sense.

This is why Russian uses the imperfective verb заменять: the sentence expresses a general truth, not one completed action.

Because the sentence is talking about a general fact, not a future single result.

• заменяет = is replacing / replaces in general
• заменит = will replace
• заменить = to replace (the infinitive, not a finite verb)

So:

• Интернет не заменяет живого разговора = The Internet does not replace live conversation.
• Интернет не заменит живого разговора = The Internet will not replace live conversation.

The second version is also possible, but it has a slightly different meaning: more like a prediction or firm future statement.

No, not literally alive.

In this context, живой means something like:

• live
• real
• direct
• in-person
• face-to-face

So живой разговор means a real human conversation, usually one with direct personal contact, not just online communication or text.

Russian often uses живой in this wider sense. It can describe something that feels direct, immediate, and human.

Because in Russian, не is usually written separately with verbs.

So:

• не заменяет = does not replace

This is the normal rule:

• не знаю — I do not know
• не понимаю — I do not understand
• не заменяет — does not replace

There are some exceptions in Russian, but with an ordinary verb like заменяет, separate writing is exactly what you expect.

Yes, it can be changed.

The sentence as given:

• Интернет не заменяет живого разговора

is the most neutral order: subject + negation + verb + object

But Russian word order is more flexible than English because case endings show grammatical roles.

Possible variations:

• Живого разговора интернет не заменяет.
• Интернет живого разговора не заменяет.

These versions are not random; they change the emphasis.

For example:

• Живого разговора интернет не заменяет puts more focus on live conversation
• Интернет живого разговора не заменяет can sound slightly more contrastive or emphatic

So the original version is a very natural neutral choice.

Because Russian has no articles.

Russian does not have direct equivalents of English a and the. Instead, definiteness is usually understood from:

• context
• word order
• intonation
• general meaning

So Интернет here naturally means the Internet, and живого разговора means live conversation in a general sense.

English must choose:

• the Internet
• a live conversation
• live conversation

Russian does not have to make that choice explicitly.

The stress is:

• интернЕт
• не заменЯет
• живОго разговОра

So the full sentence is:

ИнтернЕт не заменЯет живОго разговОра.

If you want a rough English-style guide, it is something like:

een-tehr-NYET nyeh zạ-me-NYAI-et zhi-VO-va raz-ga-VO-ra

That is only approximate, but the main thing to learn is the stress, because Russian vowel pronunciation changes a lot depending on whether the syllable is stressed or unstressed.