Verbseoul.
하다 verb

예약하다 conjugation (yeyakhada, to make a reservation, to book)

To say to make a reservation, to book politely in the present tense, use 예약해요 (yae-yah-kae-yoh) · yeyakaeyo. Below is the full conjugation of 예약하다 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
예약해
yae-yah-kae
yeyakae
예약해요
yae-yah-kae-yoh
yeyakaeyo
예약합니다
yae-yah-kahm-nee-dah
yeyakamnida
Past
예약했어
yae-yah-kae-ssuh
yeyakaesseo
예약했어요
yae-yah-kae-ssuh-yoh
yeyakaesseoyo
예약했습니다
yae-yah-kae-sseum-nee-dah
yeyakaesseumnida
Future
예약할 거야
yae-yah-kahl guh-yah
yeyakal geoya
예약할 거예요
yae-yah-kahl guh-yae-yoh
yeyakal geoyeyo
예약할 겁니다
yae-yah-kahl guhm-nee-dah
yeyakal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
예약하세요
yae-yah-kah-sae-yoh
yeyakaseyo
Suggestion / Let's Polite (요)
예약해요
yae-yah-kae-yoh
yeyakaeyo
Question Polite (요)
예약해요?
yae-yah-kae-yoh-?
yeyakaeyo?
Connective "and" — (고)
예약하고
yae-yah-kah-goh
yeyakago
Conditional "if" — (면)
예약하면
yae-yah-kah-myuhn
yeyakamyeon
Progressive (고 있어요)
예약하고 있어요
yae-yah-kah-goh ee-ssuh-yoh
yeyakago isseoyo
Want to (고 싶어요)
예약하고 싶어요
yae-yah-kah-goh shee-puh-yoh
yeyakago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
예약할 수 있어요
yae-yah-kahl soo ee-ssuh-yoh
yeyakal su isseoyo
Because / So (아/어서)
예약해서
yae-yah-kae-suh
yeyakaeseo
Noun form — (기)
예약하기
yae-yah-kah-gee
yeyakagi
Noun form — (음)
예약함
yae-yah-kahm
yeyakam