Questions & Answers about Izljev vode je problem.
Because vode is in the genitive singular.
In izljev vode, the second noun tells you what is flowing/spilling/out. Croatian often uses this pattern:
- izljev vode = an outflow/spill of water
- čaša vode = a glass of water
- boca vina = a bottle of wine
So voda changes to vode because it depends on izljev.
Izljev is in the nominative singular.
It is the subject of the sentence:
- Izljev vode = the subject
- je = is
- problem = predicate noun
So the basic structure is:
[subject] + [is] + [noun/complement]