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합치다 conjugation (hapchida, to combine)

To say to combine politely in the present tense, use 합쳐요 (hahp-chyuh-yoh) · hapchyeoyo. Below is the full conjugation of 합치다 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
합쳐
hahp-chyuh
hapchyeo
합쳐요
hahp-chyuh-yoh
hapchyeoyo
합칩니다
hahp-cheem-nee-dah
hapchimnida
Past
합쳤어
hahp-chyuh-ssuh
hapchyeosseo
합쳤어요
hahp-chyuh-ssuh-yoh
hapchyeosseoyo
합쳤습니다
hahp-chyuh-sseum-nee-dah
hapchyeosseumnida
Future
합칠 거야
hahp-cheel guh-yah
hapchil geoya
합칠 거예요
hahp-cheel guh-yae-yoh
hapchil geoyeyo
합칠 겁니다
hahp-cheel guhm-nee-dah
hapchil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
합치세요
hahp-chee-sae-yoh
hapchiseyo
Suggestion / Let's Polite (요)
합쳐요
hahp-chyuh-yoh
hapchyeoyo
Question Polite (요)
합쳐요?
hahp-chyuh-yoh-?
hapchyeoyo?
Connective "and" — (고)
합치고
hahp-chee-goh
hapchigo
Conditional "if" — (면)
합치면
hahp-chee-myuhn
hapchimyeon
Progressive (고 있어요)
합치고 있어요
hahp-chee-goh ee-ssuh-yoh
hapchigo isseoyo
Want to (고 싶어요)
합치고 싶어요
hahp-chee-goh shee-puh-yoh
hapchigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
합칠 수 있어요
hahp-cheel soo ee-ssuh-yoh
hapchil su isseoyo
Because / So (아/어서)
합쳐서
hahp-chyuh-suh
hapchyeoseo
Noun form — (기)
합치기
hahp-chee-gee
hapchigi
Noun form — (음)
합침
hahp-cheem
hapchim