In Russian, adjectives are words that describe nouns. To use them correctly, they need to match the nouns in three important ways:

1. Gender (whether the noun is male or female)
2. Number (singular or plural)
3. Case (how the noun is used in a sentence)

Today, we will focus on the word "интересный," which means "interesting."

Let’s see how "интересный" changes when it describes feminine nouns.

Basic Form

When you use "интересный" for masculine nouns, it stays the same: "интересный."

However, for feminine nouns, it changes to:

• Feminine Singular: "интересная."

Changes in "интересная"

The ending of "интересная" will change depending on how you are using the noun. Let’s look at the changes for feminine singular nouns in different cases:

1. Nominative Case (who? what?):

   • Form: "интересная"
   • Example: "интересная книга" (an interesting book)

2. Genitive Case (of whom? of what?):

   • Form: "интересной"
   • Example: "нет интересной книги" (there is no interesting book)

3. Dative Case (to whom? to what?):

   • Form: "интересной"
   • Example: "я дарю интересной книге" (I am giving to an interesting book)

4. Accusative Case (whom? what?):

   • Form: "интересную"
   • Example: "я читаю интересную книгу" (I am reading an interesting book)

5. Instrumental Case (with whom? with what?):

   • Form: "интересной"
   • Example: "я пишу с интересной книгой" (I write with an interesting book)

6. Prepositional Case (about whom? about what?):

   • Form: "интересной"
   • Example: "говорим об интересной книге" (we are talking about an interesting book)

Summary Table

Here's a simple table showing how "интересная" changes:

| Case | Form | Example Phrase | |----------------|-------------|------------------------------------------| | Nominative | интересная | интересная книга | | Genitive | интересной | нет интересной книги | | Dative | интересной | я дарю интересной книге | | Accusative | интересную | я читаю интересную книгу | | Instrumental | интересной | я пишу с интересной книгой | | Prepositional | интересной | говорим об интересной книге |

Practice Exercise

Now, let’s practice! Fill in the blanks with the right form of "интересный":

1. Я знаю _____ (фильм) «Снегирь» (movie).
2. У меня нет _____ (книга) о России (book).
3. Я думаю о _____ (фильм) (movie).

Conclusion

Using the adjective "интересный" with feminine nouns means understanding how it changes in different cases: nominative, genitive, dative, accusative, instrumental, and prepositional. Each case changes the ending of the adjective to match the noun.

Practicing like this will help you use Russian adjectives better!