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beginner · freeInteractive lesson

고치다 — to fix

to fix

Explanation

고치다 means “to fix.” This page gives the polite conversation set: present, past, future, progressive, desire (-고 싶어요), and a please form — not only the bare dictionary 다 form.

Conjugation notes for 고치다: Auto polite pattern with 아/어 harmony — verify irregulars (ㄷ/ㅂ/르/ㅅ/ㅎ/으) against a native reference. Prefer curated tables when listed on the conjugator hub.

Put 고치다 in real frames with time (지금/어제/내일), place (학교/집/카페), and object particles when needed. Charts without sentences do not stick.

Drill path: say 고치어요 three times → full sentence with 지금 → switch to 고치었어요 with 어제 → 고치ㄹ 거예요 with 내일. Then open the interactive conjugator for any hesitation.

Next step: link a vocabulary leaf, a grammar ending page (-아요/어요, -고 있다), and keep speech levels consistent across the sentence.

Examples

지금 고치어요

Right now — fix (present polite).

Default conversation form.

어제 고치었어요

Yesterday — fix (past polite).

내일 고치ㄹ 거예요

Tomorrow — will fix.

저는 고치고 싶어요

I want to fix.

Mini dialogue

A: 지금 고치어요?

A: … right now? (fix)

B: 네, 고치고 있어요

B: Yes — ongoing (fix).

Key lines

  • Present: 고치어요
  • Past: 고치었어요
  • Future: 고치ㄹ 거예요
  • Progressive: 고치고 있어요
  • Want to: 고치고 싶어요
  • Please: 고치어 주세요

Common mistakes

  • Do not attach 요 to the bare dictionary form 고치다 without conjugating.
  • Do not mix speech levels mid-sentence — keep polite endings consistent.
  • Do not invent irregular forms for 고치다 when a reliable conjugator disagrees.

How to practice

  1. Cover the table aloud: present → past → future → progressive.
  2. Write three original sentences with 고치다 using time words.
  3. Open the interactive conjugator tool page and re-check any form you hesitated on.

Check yourself

Question 1 of 2

What is the present polite form of 고치다?

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