Njegov automobil je brz.

to be

Breakdown of Njegov automobil je brz.

• njegov: his
• brz: fast
• automobil: car

Questions & Answers about Njegov automobil je brz.

Why is it njegov and not on or njega?

Njegov means his (possessive), while:

• on = he (subject pronoun)
• njega = him (object form)

In Njegov automobil je brz, the important idea is whose car it is, not who is doing something. So Croatian uses the possessive adjective njegov to show ownership, just like English uses his in His car is fast.

So the basic pattern is:
njegov + noun = his + noun (his car, his house, his book, etc.).

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Where is the word for the or a in this sentence?

Croatian does not have articles like English the (definite) or a/an (indefinite).

• Njegov automobil je brz can mean:
  • His car is fast, or
  • His car is quick, or
  • The car of his is fast (in context).

Whether you understand it as the or a depends entirely on context, not on any specific word in Croatian.

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What form is automobil here, and why doesn’t it change?