Learn Croatian: Ovi restorani su loši. - These restaurants are bad.

In Croatian, describing words must match the gender and number of the noun they describe. Restoran is a masculine noun, so in the plural it becomes restorani. Because of this, the word for this (ovaj) becomes ovi, and the word for bad (loš) becomes loši. The -i ending is the standard marker for masculine plural.

How do I know restorani is masculine?

You can usually tell a noun's gender by its singular form. The singular word is restoran. Because it ends in a consonant, it is considered masculine. To make a regular masculine noun plural, you simply add -i to the end.

Would loši change if we were describing feminine or neuter nouns instead?

Yes! If you were describing feminine plural nouns, the adjective ending would be -e, making it loše. If the nouns were neuter plural, the ending would be -a, making it loša. You always have to check the noun's gender to pick the right plural ending for the adjectives.

Why is the verb su placed after ovi restorani? Can it go earlier?