Questions & Answers about Tehnički list je u mapi.
Because tehnički is an adjective and it has to agree with list in gender, number, and case.
Here, list is:
- masculine
- singular
- nominative
So the adjective also appears in the masculine singular nominative form: tehnički.
If the noun changed, the adjective would change too. For example:
- tehnička mapa = technical folder/map
- tehničko izvješće = technical report
List is in the nominative singular.
It is the subject of the sentence — the thing being talked about. In a sentence like X is in Y, the noun for X is normally in the nominative.
So in Tehnički list je u mapi, the subject is tehnički list.