Verbseoul.
regular

부수다 conjugation (busuda, to break)

To say to break politely in the present tense, use 부숴요 (boo-swuh-yoh) · buswoyo. Below is the full conjugation of 부수다 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
부숴
boo-swuh
buswo
부숴요
boo-swuh-yoh
buswoyo
부숩니다
boo-soom-nee-dah
busumnida
Past
부쉈어
boo-swuh-ssuh
buswosseo
부쉈어요
boo-swuh-ssuh-yoh
buswosseoyo
부쉈습니다
boo-swuh-sseum-nee-dah
buswosseumnida
Future
부술 거야
boo-sool guh-yah
busul geoya
부술 거예요
boo-sool guh-yae-yoh
busul geoyeyo
부술 겁니다
boo-sool guhm-nee-dah
busul geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
부수세요
boo-soo-sae-yoh
bususeyo
Suggestion / Let's Polite (요)
부숴요
boo-swuh-yoh
buswoyo
Question Polite (요)
부숴요?
boo-swuh-yoh-?
buswoyo?
Connective "and" — (고)
부수고
boo-soo-goh
busugo
Conditional "if" — (면)
부수면
boo-soo-myuhn
busumyeon
Progressive (고 있어요)
부수고 있어요
boo-soo-goh ee-ssuh-yoh
busugo isseoyo
Want to (고 싶어요)
부수고 싶어요
boo-soo-goh shee-puh-yoh
busugo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
부술 수 있어요
boo-sool soo ee-ssuh-yoh
busul su isseoyo
Because / So (아/어서)
부숴서
boo-swuh-suh
buswoseo
Noun form — (기)
부수기
boo-soo-gee
busugi
Noun form — (음)
부숨
boo-soom
busum