I told you / Emphasis

This pattern is used to re-state or emphasize something you've already said, often with a tone of mild frustration or insistence because the listener doesn't seem to believe or accept it. It's like saying, "I told you..." or "I'm telling you...".

Formation Rules

The ending changes based on the type of word and tense.

Action Verbs (Present Tense): Attach -ㄴ/는다니까.

Vowel stem: 간다 -> 간다니까 (I said I'm going!)

Consonant stem: 먹는다 -> 먹는다니까 (I said I'm eating!)

Descriptive Verbs (Adjectives): Attach -다니까.

바쁘다 -> 바쁘다니까 (I told you I'm busy.)

맛있다 -> 맛있다니까 (I told you it's delicious.)

Nouns: Attach -(이)라니까.

Vowel ending: 의사 -> 의사라니까 (I said I'm a doctor.)

Consonant ending: 학생 -> 학생이라니까 (I said I'm a student.)

Past Tense: Attach -았다/었다니까 to the verb/adjective stem.

몰랐다 -> 몰랐다니까 (I told you I didn't know.)

Commands: Attach -(으)라니까 to the verb stem.

하지 마 -> 하지 말라니까 (I said don't do it!)

내가 한다니까! / 바쁘다니까. / 나는 의사가 아니라니까. / 정말 몰랐다니까.

This pattern is not just for neutrally repeating information. Its primary function is to convey an emotional state, usually impatience or frustration.

When to Use It

When someone is being persistent: If a friend keeps offering you food after you've already said you're full, you can say 배부르다니까. ("I said I'm full, [so please stop].")

When someone is doubtful: If someone doesn't believe what you're saying, you can insist with 정말이라니까. ("I'm telling you, it's true.")

When someone isn't listening: If you've told someone not to do something and they continue, you can say 안 된다니까! ("I told you you can't do that!")

The unspoken part of the sentence often contains a complaint or a request for the listener to change their behavior based on the information you're re-stating.