B1 Expression 正式

~해야 해요.

~haeya haeyo.

I have to do ~.

意思

Expressing obligation or necessity to perform an action.

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文化背景

In Korean companies, obligation is often expressed collectively. A boss might say 'We need to finish this' (우리 이거 끝내야 해요) to soften the command, even if the task is for a specific subordinate. When visiting someone's home, the obligation to take off shoes is absolute. Using '~해야 해요' in this context is not seen as rude, but as helpful guidance for foreigners. Koreans often use 'must' when offering food or experiences to guests. It's a way of showing passion and hospitality, rather than being bossy. To avoid sounding too harsh, Koreans often add '~할 것 같아요' (it seems like) to the end of an obligation. This makes it sound like an external necessity rather than a personal demand.

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The 'Softener' Trick

Add '~할 것 같아요' to the end of '~해야 해요' to sound 10x more like a native speaker when expressing your own needs.

⚠️

Don't over-must!

If you use this phrase too much with friends, you might sound like their parent. Use '~하는 게 어때요?' for suggestions instead.

意思

Expressing obligation or necessity to perform an action.

🎯

The 'Softener' Trick

Add '~할 것 같아요' to the end of '~해야 해요' to sound 10x more like a native speaker when expressing your own needs.

⚠️

Don't over-must!

If you use this phrase too much with friends, you might sound like their parent. Use '~하는 게 어때요?' for suggestions instead.

💬

Honorifics Matter

When talking about a teacher or boss's obligation, always use '~하셔야 해요'.

自我测试

Fill in the blank with the correct form of the verb in parentheses.

내일은 일찍 ________. (일어나다)

✓ 正确! ✗ 不太对。 正确答案: 일어나야 해요

To express 'must wake up', you take the stem '일어나-', add '-아야' because of the bright vowel 'ㅏ', and add '해요'.

Which sentence means 'I had to work yesterday'?

Choose the correct past tense obligation.

✓ 正确! ✗ 不太对。 正确答案: 어제 일해야 했어요.

The past tense of '~해야 해요' is '~해야 했어요'.

Match the Korean phrase to its English meaning.

1. 가야 해요, 2. 먹어야 해요, 3. 봐야 해요, 4. 사야 해요

✓ 正确! ✗ 不太对。 正确答案: 1-C, 2-D, 3-A, 4-B

가다 (go), 먹다 (eat), 보다 (see), 사다 (buy).

Complete the dialogue naturally.

가: 오늘 같이 영화 볼까요? 나: 미안해요. 숙제가 많아서 ________.

✓ 正确! ✗ 不太对。 正确答案: 숙제해야 해요

The speaker is giving a reason why they cannot go, which is an obligation to do homework.

Which phrase is most appropriate for a doctor giving instructions?

A doctor telling a patient to rest.

✓ 正确! ✗ 不太对。 正确答案: 푹 쉬어야 해요.

While '쉬세요' is a command, '쉬어야 해요' expresses the medical necessity.

🎉 得分: /5

视觉学习工具

Common Obligations

💼

Work

  • 보고서 쓰기
  • 회의 참석
  • 출근
🍎

Health

  • 운동
  • 약 먹기
  • 일찍 자기
🤝

Social

  • 약속 지키기
  • 인사하기
  • 전화하기

练习题库

5 练习
Fill in the blank with the correct form of the verb in parentheses. Fill Blank A2

내일은 일찍 ________. (일어나다)

✓ 正确! ✗ 不太对。 正确答案: 일어나야 해요

To express 'must wake up', you take the stem '일어나-', add '-아야' because of the bright vowel 'ㅏ', and add '해요'.

Which sentence means 'I had to work yesterday'? Choose B1

Choose the correct past tense obligation.

✓ 正确! ✗ 不太对。 正确答案: 어제 일해야 했어요.

The past tense of '~해야 해요' is '~해야 했어요'.

Match the Korean phrase to its English meaning. Match A1

将左侧的每个项目与右侧的配对匹配:

✓ 正确! ✗ 不太对。 正确答案: 1-C, 2-D, 3-A, 4-B

가다 (go), 먹다 (eat), 보다 (see), 사다 (buy).

Complete the dialogue naturally. dialogue_completion A2

가: 오늘 같이 영화 볼까요? 나: 미안해요. 숙제가 많아서 ________.

✓ 正确! ✗ 不太对。 正确答案: 숙제해야 해요

The speaker is giving a reason why they cannot go, which is an obligation to do homework.

Which phrase is most appropriate for a doctor giving instructions? situation_matching B1

A doctor telling a patient to rest.

✓ 正确! ✗ 不太对。 正确答案: 푹 쉬어야 해요.

While '쉬세요' is a command, '쉬어야 해요' expresses the medical necessity.

🎉 得分: /5

常见问题

12 个问题

They are mostly interchangeable. '하다' is slightly more formal and common in writing, while '되다' is very common in daily conversation.

No. To ask for permission, use '-아/어도 돼요?' (May I...?). '-아/어야 해요?' means 'Do I have to...?'

Use '-지 않아도 돼요' or '-을 필요 없어요'.

Yes, if you use the plain form. Use the honorific '-으셔야 해요' or a softer suggestion.

It follows the standard '-아/어' conjugation. '돕다' becomes '도와야 해요'.

Yes, use '~해야 할 거예요' (I will have to).

Use '~하면 안 돼요'.

Yes! '건강해야 해요' (You must be healthy) or '행복해야 해요' (You must be happy).

Yes, people often write '~해야 함' or just '~해야 돼'.

It's an emphatic particle that sets a condition. It literally means 'only if'.

Yes, it's very common for strong recommendations, like 'You must see this movie!'

The most formal version is '-아/어야 마땅합니다' or '-아/어야 합니다'.

相关表达

🔄

-아/어야 되다

synonym

To have to / To must

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-지 않으면 안 되다

specialized form

Must (Double negative)

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-ㄹ 필요가 있다

similar

There is a need to...

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-는 것이 좋다

contrast

It is good to...

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-아/어야겠다

builds on

I should / I better...

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