무익해
moo-ee-kae
muikae
무익하다
To say to be futile, to be useless politely in the present tense, use 무익해요 (moo-ee-kae-yoh) · muikaeyo. Below is the full conjugation of 무익하다 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
| Tense | Casual (반말) | Polite (요) | Formal (합니다) |
|---|---|---|---|
| Present | 무익해요 moo-ee-kae-yoh muikaeyo | 무익합니다 moo-ee-kahm-nee-dah muikamnida | |
| Past | 무익했어 moo-ee-kae-ssuh muikaesseo | 무익했어요 moo-ee-kae-ssuh-yoh muikaesseoyo | 무익했습니다 moo-ee-kae-sseum-nee-dah muikaesseumnida |
| Future | 무익할 거야 moo-ee-kahl guh-yah muikal geoya | 무익할 거예요 moo-ee-kahl guh-yae-yoh muikal geoyeyo | 무익할 겁니다 moo-ee-kahl guhm-nee-dah muikal geomnida |
Other useful forms
Honorific / Command Polite (-(으)세요)
무익하세요
moo-ee-kah-sae-yoh
muikaseyo
Suggestion / Let's Polite (요)
무익해요
moo-ee-kae-yoh
muikaeyo
Question Polite (요)
무익해요?
moo-ee-kae-yoh-?
muikaeyo?
Connective "and" — (고)
무익하고
moo-ee-kah-goh
muikago
Conditional "if" — (면)
무익하면
moo-ee-kah-myuhn
muikamyeon
Progressive (고 있어요)
무익하고 있어요
moo-ee-kah-goh ee-ssuh-yoh
muikago isseoyo
Want to (고 싶어요)
무익하고 싶어요
moo-ee-kah-goh shee-puh-yoh
muikago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
무익할 수 있어요
moo-ee-kahl soo ee-ssuh-yoh
muikal su isseoyo
Because / So (아/어서)
무익해서
moo-ee-kae-suh
muikaeseo
Noun form — (기)
무익하기
moo-ee-kah-gee
muikagi
Noun form — (음)
무익함
moo-ee-kahm
muikam