Verbseoul.
하다 verb
책하다chaekhadato blame

To say to blame politely in the present tense, use 책해요 (chae-kae-yoh). Below is the full conjugation of 책하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
책해
chae-kae
책해요
chae-kae-yoh
책합니다
chae-kahm-nee-dah
Past
책했어
chae-kae-ssuh
책했어요
chae-kae-ssuh-yoh
책했습니다
chae-kae-sseum-nee-dah
Future
책할 거야
chae-kahl- -guh-yah
책할 거예요
chae-kahl- -guh-yae-yoh
책할 겁니다
chae-kahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
책하세요
chae-kah-sae-yoh
Suggestion / Let's Polite (요)
책해요
chae-kae-yoh
Question Polite (요)
책해요?
chae-kae-yoh-?
Connective “and” — (고)
책하고
chae-kah-goh
Conditional “if” — (면)
책하면
chae-kah-myuhn
Noun form — (기)
책함
chae-kahm