Learn Hardcore Ukrainian: Телефон корисний.

In Ukrainian, the present tense of the verb to be (which would be є) is typically omitted. The sentence is understood as The phone is useful without an explicit copula.

How do the noun and adjective agree in this sentence?

The noun телефон is masculine and in the nominative case, so the adjective корисний is also in the masculine nominative singular form. This agreement in gender, number, and case is essential in Ukrainian grammar.

What does the ending -ий in корисний indicate?

The ending -ий denotes that the adjective is in the masculine singular nominative form. This form is required to correctly modify the masculine noun телефон.

Why is there no definite article like the in Телефон корисний?

Ukrainian does not use articles such as the or a. Definiteness or indefiniteness is understood from context, so the sentence clearly communicates its meaning without additional words.

What is the grammatical function of телефон in this sentence?