Verbseoul.
regular
들여다보다deulyeodabodaTo look into

To say To look into politely in the present tense, use 들여다봐요 (deu-ryuh-dah-bwah-yoh). Below is the full conjugation of 들여다보다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
들여다봐
deu-ryuh-dah-bwah
들여다봐요
deu-ryuh-dah-bwah-yoh
들여다봅니다
deu-ryuh-dah-bohm-nee-dah
Past
들여다봤어
deu-ryuh-dah-bwah-ssuh
들여다봤어요
deu-ryuh-dah-bwah-ssuh-yoh
들여다봤습니다
deu-ryuh-dah-bwah-sseum-nee-dah
Future
들여다볼 거야
deu-ryuh-dah-bohl- -guh-yah
들여다볼 거예요
deu-ryuh-dah-bohl- -guh-yae-yoh
들여다볼 겁니다
deu-ryuh-dah-bohl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
들여다보세요
deu-ryuh-dah-boh-sae-yoh
Suggestion / Let's Polite (요)
들여다봐요
deu-ryuh-dah-bwah-yoh
Question Polite (요)
들여다봐요?
deu-ryuh-dah-bwah-yoh-?
Connective “and” — (고)
들여다보고
deu-ryuh-dah-boh-goh
Conditional “if” — (면)
들여다보면
deu-ryuh-dah-boh-myuhn
Noun form — (기)
들여다봄
deu-ryuh-dah-bohm