treba

In a sentence

• Treba učiti svaki dan kako bi se naučio novi jezik.

  One needs to study every day to learn a new language.

  Here, 'Treba' expresses necessity or obligation.

• Treba ti olovka za pisanje?

  Do you need a pen for writing?

  In this context, 'Treba' asks about the necessity or need for an object, using the dative case for the subject.

• Sviđa mi se ova knjiga, ali treba pažljivo čitati jer je složena.

  I like this book, but it needs to be read carefully because it is complex.

  Here, 'Treba' refers to the requirement of an action related to the subject.