Snimka predavanja je već na mreži.

to be

Breakdown of Snimka predavanja je već na mreži.

• već: already
• predavanje: lecture
• na mreži: online

Questions & Answers about Snimka predavanja je već na mreži.

Why is predavanja used here instead of predavanje?

Because predavanja is in the genitive singular.

• predavanje = lecture
• snimka predavanja = recording of the lecture

In Croatian, possession or the idea of of something is often expressed with the genitive case. So this is literally:

• snimka = recording
• predavanja = of the lecture

If you said snimka predavanje, that would be ungrammatical.

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What case is mreži, and why does it have that ending?

mreži is in the locative singular.

The basic noun is:

• mreža = network, web

After na when it means on/in a location, Croatian uses the locative:

• na mreži = on the web / online

So the ending changes like this:

• nominative: mreža
• locative: mreži

This is a normal feminine noun pattern.

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Why is it na mreži and not u mreži?