Verbseoul.
하다 verb
중단하다jungdanhadato discontinue

To say to discontinue politely in the present tense, use 중단해요 (choong-dahn-hae-yoh). Below is the full conjugation of 중단하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
중단해
choong-dahn-hae
중단해요
choong-dahn-hae-yoh
중단합니다
choong-dahn-hahm-nee-dah
Past
중단했어
choong-dahn-hae-ssuh
중단했어요
choong-dahn-hae-ssuh-yoh
중단했습니다
choong-dahn-hae-sseum-nee-dah
Future
중단할 거야
choong-dahn-hahl- -guh-yah
중단할 거예요
choong-dahn-hahl- -guh-yae-yoh
중단할 겁니다
choong-dahn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
중단하세요
choong-dahn-hah-sae-yoh
Suggestion / Let's Polite (요)
중단해요
choong-dahn-hae-yoh
Question Polite (요)
중단해요?
choong-dahn-hae-yoh-?
Connective “and” — (고)
중단하고
choong-dahn-hah-goh
Conditional “if” — (면)
중단하면
choong-dahn-hah-myuhn
Noun form — (기)
중단함
choong-dahn-hahm