Verbseoul.
하다 verb
금기시하다geumgisihadato treat as taboo

To say to treat as taboo politely in the present tense, use 금기시해요 (geum-gee-shee-hae-yoh). Below is the full conjugation of 금기시하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
금기시해
geum-gee-shee-hae
금기시해요
geum-gee-shee-hae-yoh
금기시합니다
geum-gee-shee-hahm-nee-dah
Past
금기시했어
geum-gee-shee-hae-ssuh
금기시했어요
geum-gee-shee-hae-ssuh-yoh
금기시했습니다
geum-gee-shee-hae-sseum-nee-dah
Future
금기시할 거야
geum-gee-shee-hahl- -guh-yah
금기시할 거예요
geum-gee-shee-hahl- -guh-yae-yoh
금기시할 겁니다
geum-gee-shee-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
금기시하세요
geum-gee-shee-hah-sae-yoh
Suggestion / Let's Polite (요)
금기시해요
geum-gee-shee-hae-yoh
Question Polite (요)
금기시해요?
geum-gee-shee-hae-yoh-?
Connective “and” — (고)
금기시하고
geum-gee-shee-hah-goh
Conditional “if” — (면)
금기시하면
geum-gee-shee-hah-myuhn
Noun form — (기)
금기시함
geum-gee-shee-hahm