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    잘 했어요

    Grammar & Usage

    fixed expression
    polite

    How it works

    This expression is formed from 잘 (jal, 'well') + 하다 (hada, 'to do') conjugated into the past tense polite form. The 하다 verb becomes 했어요 (haesseoyo) in the past polite form, making the complete expression '잘 했어요'. It is used to praise someone's performance or work.

    Sample sentences

    발표 잘 했어요. 수고 많으셨습니다.

    You did a good job on the presentation. You worked very hard.

    시험 결과가 아주 좋네요. 잘 했어요!

    The test results are very good. Well done!

    이번 프로젝트를 성공적으로 마쳐서 정말 잘 했어요.

    You finished this project successfully, really well done.

    Quick facts

    tense:The past tense ending '-았/었-' is used, indicating that the action of 'doing well' has been completed.
    verb_root:The core verb is '하다' (to do), modified by the adverb '잘' (well).
    politeness:The '-어요' ending makes this a polite, standard formal expression, suitable for most general situations. For a more casual tone, one might say '잘 했어' (jal haesseo) to close friends or subordinates.

    Mnemonic

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    Example

    발표 잘 했어요. 수고 많으셨습니다.

    You did a good job on the presentation. You worked very hard.

    시험 결과가 아주 좋네요. 잘 했어요!

    The test results are very good. Well done!

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