Verbseoul.
하다 verb
아첨하다acheomhadato flatter, to butter up

To say to flatter, to butter up politely in the present tense, use 아첨해요 (ah-chuhm-hae-yoh). Below is the full conjugation of 아첨하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
아첨해
ah-chuhm-hae
아첨해요
ah-chuhm-hae-yoh
아첨합니다
ah-chuhm-hahm-nee-dah
Past
아첨했어
ah-chuhm-hae-ssuh
아첨했어요
ah-chuhm-hae-ssuh-yoh
아첨했습니다
ah-chuhm-hae-sseum-nee-dah
Future
아첨할 거야
ah-chuhm-hahl- -guh-yah
아첨할 거예요
ah-chuhm-hahl- -guh-yae-yoh
아첨할 겁니다
ah-chuhm-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
아첨하세요
ah-chuhm-hah-sae-yoh
Suggestion / Let's Polite (요)
아첨해요
ah-chuhm-hae-yoh
Question Polite (요)
아첨해요?
ah-chuhm-hae-yoh-?
Connective “and” — (고)
아첨하고
ah-chuhm-hah-goh
Conditional “if” — (면)
아첨하면
ah-chuhm-hah-myuhn
Noun form — (기)
아첨함
ah-chuhm-hahm