A1 Expression 중립

Não sei por que.

I don't know why.

Expresses ignorance about the reason for something.

🌍

문화적 배경

Brazilians often add 'hein?' at the end for emphasis: 'Não sei por que, hein?'. It adds a layer of shared mystery. In Portugal, the phrase is often delivered with a more stoic expression. It can imply that some things are just 'destiny' (Fado). In Luanda, you might hear 'Não sei porquê' used as a filler phrase while someone is thinking of what to say next.

💡

The Shrug

In Brazil, pair this phrase with a palms-up shrug for maximum native-like effect.

⚠️

The Accent Rule

Remember: 'por que' (no accent) if words follow, 'porquê' (accent) if it's the end.

Expresses ignorance about the reason for something.

💡

The Shrug

In Brazil, pair this phrase with a palms-up shrug for maximum native-like effect.

⚠️

The Accent Rule

Remember: 'por que' (no accent) if words follow, 'porquê' (accent) if it's the end.

셀프 테스트

Fill in the blank with the correct form (por que or porquê).

Ela está brava, mas não sei ______.

✓ 정답! ✗ 아쉬워요. 정답: porquê

Because it is at the end of the sentence, it needs the accent and is written as one word in some older grammars, but modernly 'porquê'.

Which sentence is correct?

Choose the most natural way to say 'I don't know why it's raining'.

✓ 정답! ✗ 아쉬워요. 정답: b

'Saber' is for facts, and 'por que' (two words) is for the reason.

Complete the dialogue.

A: Por que você não ligou? B: ______.

✓ 정답! ✗ 아쉬워요. 정답: a

'Não sei por que' is a valid, though slightly evasive, answer.

Match the phrase to the feeling.

When would you say 'Não sei por que'?

✓ 정답! ✗ 아쉬워요. 정답: b

It expresses uncertainty or confusion.

🎉 점수: /4

시각 학습 자료

연습 문제 은행

4 연습 문제
Fill in the blank with the correct form (por que or porquê). Fill Blank A1

Ela está brava, mas não sei ______.

✓ 정답! ✗ 아쉬워요. 정답: porquê

Because it is at the end of the sentence, it needs the accent and is written as one word in some older grammars, but modernly 'porquê'.

Which sentence is correct? Choose A1

Choose the most natural way to say 'I don't know why it's raining'.

✓ 정답! ✗ 아쉬워요. 정답: b

'Saber' is for facts, and 'por que' (two words) is for the reason.

Complete the dialogue. dialogue_completion A1

A: Por que você não ligou? B: ______.

✓ 정답! ✗ 아쉬워요. 정답: a

'Não sei por que' is a valid, though slightly evasive, answer.

Match the phrase to the feeling. situation_matching A1

When would you say 'Não sei por que'?

✓ 정답! ✗ 아쉬워요. 정답: b

It expresses uncertainty or confusion.

🎉 점수: /4

자주 묻는 질문

3 질문

In this phrase, it's always 'por que' (two words) because it's an indirect question. Use 'porque' (one word) only for giving answers.

Yes, 'Não sei' is shorter, but 'Não sei por que' is more specific to the reason.

That 'hat' is a circumflex accent. In Portuguese, the vowel 'e' becomes stressed and closed when it's at the end of a sentence followed by a punctuation mark.

관련 표현

🔗

Sei lá

informal alternative

Who knows / I have no idea

🔄

Não faço ideia

synonym

I have no idea

🔗

Por que será?

similar

I wonder why?

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