Verbseoul.
하다 verb (adj)

단순하다 conjugation (dansunhada, to be simple)

To say to be simple politely in the present tense, use 단순해요 (dahn-soon-hae-yoh) · dansunhaeyo. Below is the full conjugation of 단순하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb (adj)): 하다 adjectives use the same verb 하다 as a suffix to turn descriptive nouns into predicates (행복하다 = to be happy). They conjugate identically to 하다 verbs: the 하 contracts before -아/-어 suffixes to give 해. 행복해요, 행복했어요, 행복합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
단순해
dahn-soon-hae
dansunhae
단순해요
dahn-soon-hae-yoh
dansunhaeyo
단순합니다
dahn-soon-hahm-nee-dah
dansunhamnida
Past
단순했어
dahn-soon-hae-ssuh
dansunhaesseo
단순했어요
dahn-soon-hae-ssuh-yoh
dansunhaesseoyo
단순했습니다
dahn-soon-hae-sseum-nee-dah
dansunhaesseumnida
Future
단순할 거야
dahn-soon-hahl guh-yah
dansunhal geoya
단순할 거예요
dahn-soon-hahl guh-yae-yoh
dansunhal geoyeyo
단순할 겁니다
dahn-soon-hahl guhm-nee-dah
dansunhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
단순하세요
dahn-soon-hah-sae-yoh
dansunhaseyo
Suggestion / Let's Polite (요)
단순해요
dahn-soon-hae-yoh
dansunhaeyo
Question Polite (요)
단순해요?
dahn-soon-hae-yoh-?
dansunhaeyo?
Connective "and" — (고)
단순하고
dahn-soon-hah-goh
dansunhago
Conditional "if" — (면)
단순하면
dahn-soon-hah-myuhn
dansunhamyeon
Progressive (고 있어요)
단순하고 있어요
dahn-soon-hah-goh ee-ssuh-yoh
dansunhago isseoyo
Want to (고 싶어요)
단순하고 싶어요
dahn-soon-hah-goh shee-puh-yoh
dansunhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
단순할 수 있어요
dahn-soon-hahl soo ee-ssuh-yoh
dansunhal su isseoyo
Because / So (아/어서)
단순해서
dahn-soon-hae-suh
dansunhaeseo
Noun form — (기)
단순하기
dahn-soon-hah-gee
dansunhagi
Noun form — (음)
단순함
dahn-soon-hahm
dansunham