Verbseoul.
하다 verb

계획하다 conjugation (gyehoekhada, to plan)

To say to plan politely in the present tense, use 계획해요 (gyae-hwae-kae-yoh) · gyehoekaeyo. Below is the full conjugation of 계획하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb): 하다 verbs are formed with a Sino-Korean noun + 하다 (e.g. 공부하다 = study + do). 하다 conjugates irregularly: the ㅏ in 하 contracts with the -아/-어 suffix to give 해 (not *하어). Present polite: 해요; past polite: 했어요. The formal ending is 합니다 (not *하습니다). Most noun+하다 compounds follow this pattern uniformly. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
계획해
gyae-hwae-kae
gyehoekae
계획해요
gyae-hwae-kae-yoh
gyehoekaeyo
계획합니다
gyae-hwae-kahm-nee-dah
gyehoekamnida
Past
계획했어
gyae-hwae-kae-ssuh
gyehoekaesseo
계획했어요
gyae-hwae-kae-ssuh-yoh
gyehoekaesseoyo
계획했습니다
gyae-hwae-kae-sseum-nee-dah
gyehoekaesseumnida
Future
계획할 거야
gyae-hwae-kahl guh-yah
gyehoekal geoya
계획할 거예요
gyae-hwae-kahl guh-yae-yoh
gyehoekal geoyeyo
계획할 겁니다
gyae-hwae-kahl guhm-nee-dah
gyehoekal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
계획하세요
gyae-hwae-kah-sae-yoh
gyehoekaseyo
Suggestion / Let's Polite (요)
계획해요
gyae-hwae-kae-yoh
gyehoekaeyo
Question Polite (요)
계획해요?
gyae-hwae-kae-yoh-?
gyehoekaeyo?
Connective "and" — (고)
계획하고
gyae-hwae-kah-goh
gyehoekago
Conditional "if" — (면)
계획하면
gyae-hwae-kah-myuhn
gyehoekamyeon
Progressive (고 있어요)
계획하고 있어요
gyae-hwae-kah-goh ee-ssuh-yoh
gyehoekago isseoyo
Want to (고 싶어요)
계획하고 싶어요
gyae-hwae-kah-goh shee-puh-yoh
gyehoekago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
계획할 수 있어요
gyae-hwae-kahl soo ee-ssuh-yoh
gyehoekal su isseoyo
Because / So (아/어서)
계획해서
gyae-hwae-kae-suh
gyehoekaeseo
Noun form — (기)
계획하기
gyae-hwae-kah-gee
gyehoekagi
Noun form — (음)
계획함
gyae-hwae-kahm
gyehoekam