Verbseoul.
하다 verb
노크하다nokeuhadato knock

To say to knock politely in the present tense, use 노크해요 (noh-keu-hae-yoh). Below is the full conjugation of 노크하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
노크해
noh-keu-hae
노크해요
noh-keu-hae-yoh
노크합니다
noh-keu-hahm-nee-dah
Past
노크했어
noh-keu-hae-ssuh
노크했어요
noh-keu-hae-ssuh-yoh
노크했습니다
noh-keu-hae-sseum-nee-dah
Future
노크할 거야
noh-keu-hahl- -guh-yah
노크할 거예요
noh-keu-hahl- -guh-yae-yoh
노크할 겁니다
noh-keu-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
노크하세요
noh-keu-hah-sae-yoh
Suggestion / Let's Polite (요)
노크해요
noh-keu-hae-yoh
Question Polite (요)
노크해요?
noh-keu-hae-yoh-?
Connective “and” — (고)
노크하고
noh-keu-hah-goh
Conditional “if” — (면)
노크하면
noh-keu-hah-myuhn
Noun form — (기)
노크함
noh-keu-hahm