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regular

덧붙이다 conjugation (deotbutida, to attach (something to ...), to affix, to stick)

To say to attach (something to ...), to affix, to stick politely in the present tense, use 덧붙여요 (duht-boo-tyuh-yoh) · deotbutyeoyo. Below is the full conjugation of 덧붙이다 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
덧붙여
duht-boo-tyuh
deotbutyeo
덧붙여요
duht-boo-tyuh-yoh
deotbutyeoyo
덧붙입니다
duht-boo-cheem-nee-dah
deotbuchimnida
Past
덧붙였어
duht-boo-tyuh-ssuh
deotbutyeosseo
덧붙였어요
duht-boo-tyuh-ssuh-yoh
deotbutyeosseoyo
덧붙였습니다
duht-boo-tyuh-sseum-nee-dah
deotbutyeosseumnida
Future
덧붙일 거야
duht-boo-cheel guh-yah
deotbuchil geoya
덧붙일 거예요
duht-boo-cheel guh-yae-yoh
deotbuchil geoyeyo
덧붙일 겁니다
duht-boo-cheel guhm-nee-dah
deotbuchil geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
덧붙이세요
duht-boo-chee-sae-yoh
deotbuchiseyo
Suggestion / Let's Polite (요)
덧붙여요
duht-boo-tyuh-yoh
deotbutyeoyo
Question Polite (요)
덧붙여요?
duht-boo-tyuh-yoh-?
deotbutyeoyo?
Connective "and" — (고)
덧붙이고
duht-boo-chee-goh
deotbuchigo
Conditional "if" — (면)
덧붙이면
duht-boo-chee-myuhn
deotbuchimyeon
Progressive (고 있어요)
덧붙이고 있어요
duht-boo-chee-goh ee-ssuh-yoh
deotbuchigo isseoyo
Want to (고 싶어요)
덧붙이고 싶어요
duht-boo-chee-goh shee-puh-yoh
deotbuchigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
덧붙일 수 있어요
duht-boo-cheel soo ee-ssuh-yoh
deotbuchil su isseoyo
Because / So (아/어서)
덧붙여서
duht-boo-tyuh-suh
deotbutyeoseo
Noun form — (기)
덧붙이기
duht-boo-chee-gee
deotbuchigi
Noun form — (음)
덧붙임
duht-boo-cheem
deotbuchim