Questions & Answers about Početak radova je sutra.
Because početak normally takes the genitive: početak nečega = the beginning of something.
So:
- početak = beginning / start
- radovi = works in the nominative plural
- radova = of the works in the genitive plural
That is why početak radova means the start of the works.
This pattern is very common in Croatian:
- početak filma = the beginning of the film
- kraj dana = the end of the day
- nastavak priče = the continuation of the story
Here radovi usually means works in the sense of:
- construction works
- building works
- repair works
- project works
So Početak radova je sutra sounds like something you might see in an announcement, schedule, or project notice.
It does not usually mean jobs here. It refers to some kind of organized work activity, often physical or technical.