Verbseoul.
regular
얕잡다yatjapdato underrate, to belittle

To say to underrate, to belittle politely in the present tense, use 얕잡아요 (yaht-chah-bah-yoh). Below is the full conjugation of 얕잡다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
얕잡아
yaht-chah-bah
얕잡아요
yaht-chah-bah-yoh
얕잡습니다
yaht-chahp-sseum-nee-dah
Past
얕잡았어
yaht-chah-bah-ssuh
얕잡았어요
yaht-chah-bah-ssuh-yoh
얕잡았습니다
yaht-chah-bah-sseum-nee-dah
Future
얕잡을 거야
yaht-chah-beul- -guh-yah
얕잡을 거예요
yaht-chah-beul- -guh-yae-yoh
얕잡을 겁니다
yaht-chah-beul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
얕잡으세요
yaht-chah-beu-sae-yoh
Suggestion / Let's Polite (요)
얕잡아요
yaht-chah-bah-yoh
Question Polite (요)
얕잡아요?
yaht-chah-bah-yoh-?
Connective “and” — (고)
얕잡고
yaht-chahp-goh
Conditional “if” — (면)
얕잡으면
yaht-chah-beu-myuhn
Noun form — (기)
얕잡음
yaht-chah-beum