Verbseoul.
regular

갈고닦다 conjugation (galgodakda, to hone, to polish (a skill))

To say to hone, to polish (a skill) politely in the present tense, use 갈고닦아요 (gahl-goh-dah-ggah-yoh) · galgodakkayo. Below is the full conjugation of 갈고닦다 across the three tenses and three everyday speech levels.

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
갈고닦아
gahl-goh-dah-ggah
galgodakka
갈고닦아요
gahl-goh-dah-ggah-yoh
galgodakkayo
갈고닦습니다
gahl-goh-dahgg-seum-nee-dah
galgodakseumnida
Past
갈고닦았어
gahl-goh-dah-ggah-ssuh
galgodakkasseo
갈고닦았어요
gahl-goh-dah-ggah-ssuh-yoh
galgodakkasseoyo
갈고닦았습니다
gahl-goh-dah-ggah-sseum-nee-dah
galgodakkasseumnida
Future
갈고닦을 거야
gahl-goh-dah-ggeul guh-yah
galgodakkeul geoya
갈고닦을 거예요
gahl-goh-dah-ggeul guh-yae-yoh
galgodakkeul geoyeyo
갈고닦을 겁니다
gahl-goh-dah-ggeul guhm-nee-dah
galgodakkeul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
갈고닦으세요
gahl-goh-dah-ggeu-sae-yoh
galgodakkeuseyo
Suggestion / Let's Polite (요)
갈고닦아요
gahl-goh-dah-ggah-yoh
galgodakkayo
Question Polite (요)
갈고닦아요?
gahl-goh-dah-ggah-yoh-?
galgodakkayo?
Connective "and" — (고)
갈고닦고
gahl-goh-dahgg-goh
galgodakgo
Conditional "if" — (면)
갈고닦으면
gahl-goh-dah-ggeu-myuhn
galgodakkeumyeon
Progressive (고 있어요)
갈고닦고 있어요
gahl-goh-dahgg-goh ee-ssuh-yoh
galgodakgo isseoyo
Want to (고 싶어요)
갈고닦고 싶어요
gahl-goh-dahgg-goh shee-puh-yoh
galgodakgo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
갈고닦을 수 있어요
gahl-goh-dah-ggeul soo ee-ssuh-yoh
galgodakkeul su isseoyo
Because / So (아/어서)
갈고닦아서
gahl-goh-dah-ggah-suh
galgodakkaseo
Noun form — (기)
갈고닦기
gahl-goh-dahgg-gee
galgodakgi
Noun form — (음)
갈고닦음
gahl-goh-dah-ggeum
galgodakkeum