Verbseoul.
regular

들여다보다 conjugation (deulyeodaboda, to look into, to peer into)

To say to look into, to peer into politely in the present tense, use 들여다봐요 (deu-ryuh-dah-bwah-yoh) · deuryeodabwayo. Below is the full conjugation of 들여다보다 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
들여다봐
deu-ryuh-dah-bwah
deuryeodabwa
들여다봐요
deu-ryuh-dah-bwah-yoh
deuryeodabwayo
들여다봅니다
deu-ryuh-dah-bohm-nee-dah
deuryeodabomnida
Past
들여다봤어
deu-ryuh-dah-bwah-ssuh
deuryeodabwasseo
들여다봤어요
deu-ryuh-dah-bwah-ssuh-yoh
deuryeodabwasseoyo
들여다봤습니다
deu-ryuh-dah-bwah-sseum-nee-dah
deuryeodabwasseumnida
Future
들여다볼 거야
deu-ryuh-dah-bohl guh-yah
deuryeodabol geoya
들여다볼 거예요
deu-ryuh-dah-bohl guh-yae-yoh
deuryeodabol geoyeyo
들여다볼 겁니다
deu-ryuh-dah-bohl guhm-nee-dah
deuryeodabol geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
들여다보세요
deu-ryuh-dah-boh-sae-yoh
deuryeodaboseyo
Suggestion / Let's Polite (요)
들여다봐요
deu-ryuh-dah-bwah-yoh
deuryeodabwayo
Question Polite (요)
들여다봐요?
deu-ryuh-dah-bwah-yoh-?
deuryeodabwayo?
Connective "and" — (고)
들여다보고
deu-ryuh-dah-boh-goh
deuryeodabogo
Conditional "if" — (면)
들여다보면
deu-ryuh-dah-boh-myuhn
deuryeodabomyeon
Progressive (고 있어요)
들여다보고 있어요
deu-ryuh-dah-boh-goh ee-ssuh-yoh
deuryeodabogo isseoyo
Want to (고 싶어요)
들여다보고 싶어요
deu-ryuh-dah-boh-goh shee-puh-yoh
deuryeodabogo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
들여다볼 수 있어요
deu-ryuh-dah-bohl soo ee-ssuh-yoh
deuryeodabol su isseoyo
Because / So (아/어서)
들여다봐서
deu-ryuh-dah-bwah-suh
deuryeodabwaseo
Noun form — (기)
들여다보기
deu-ryuh-dah-boh-gee
deuryeodabogi
Noun form — (음)
들여다봄
deu-ryuh-dah-bohm
deuryeodabom