Verbseoul.
하다 verb
차단하다chadanhadato block

To say to block politely in the present tense, use 차단해요 (chah-dahn-hae-yoh). Below is the full conjugation of 차단하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
차단해
chah-dahn-hae
차단해요
chah-dahn-hae-yoh
차단합니다
chah-dahn-hahm-nee-dah
Past
차단했어
chah-dahn-hae-ssuh
차단했어요
chah-dahn-hae-ssuh-yoh
차단했습니다
chah-dahn-hae-sseum-nee-dah
Future
차단할 거야
chah-dahn-hahl- -guh-yah
차단할 거예요
chah-dahn-hahl- -guh-yae-yoh
차단할 겁니다
chah-dahn-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
차단하세요
chah-dahn-hah-sae-yoh
Suggestion / Let's Polite (요)
차단해요
chah-dahn-hae-yoh
Question Polite (요)
차단해요?
chah-dahn-hae-yoh-?
Connective “and” — (고)
차단하고
chah-dahn-hah-goh
Conditional “if” — (면)
차단하면
chah-dahn-hah-myuhn
Noun form — (기)
차단함
chah-dahn-hahm