Verbseoul.
하다 verb
허용하다heoyonghadato allow, to permit (through a formal convention)

To say to allow, to permit (through a formal convention) politely in the present tense, use 허용해요 (huh-yohng-hae-yoh). Below is the full conjugation of 허용하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
허용해
huh-yohng-hae
허용해요
huh-yohng-hae-yoh
허용합니다
huh-yohng-hahm-nee-dah
Past
허용했어
huh-yohng-hae-ssuh
허용했어요
huh-yohng-hae-ssuh-yoh
허용했습니다
huh-yohng-hae-sseum-nee-dah
Future
허용할 거야
huh-yohng-hahl- -guh-yah
허용할 거예요
huh-yohng-hahl- -guh-yae-yoh
허용할 겁니다
huh-yohng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
허용하세요
huh-yohng-hah-sae-yoh
Suggestion / Let's Polite (요)
허용해요
huh-yohng-hae-yoh
Question Polite (요)
허용해요?
huh-yohng-hae-yoh-?
Connective “and” — (고)
허용하고
huh-yohng-hah-goh
Conditional “if” — (면)
허용하면
huh-yohng-hah-myuhn
Noun form — (기)
허용함
huh-yohng-hahm