Verbseoul.
하다 verb
집중하다jipjunghadato focus

To say to focus politely in the present tense, use 집중해요 (cheep-choong-hae-yoh). Below is the full conjugation of 집중하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
집중해
cheep-choong-hae
집중해요
cheep-choong-hae-yoh
집중합니다
cheep-choong-hahm-nee-dah
Past
집중했어
cheep-choong-hae-ssuh
집중했어요
cheep-choong-hae-ssuh-yoh
집중했습니다
cheep-choong-hae-sseum-nee-dah
Future
집중할 거야
cheep-choong-hahl- -guh-yah
집중할 거예요
cheep-choong-hahl- -guh-yae-yoh
집중할 겁니다
cheep-choong-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
집중하세요
cheep-choong-hah-sae-yoh
Suggestion / Let's Polite (요)
집중해요
cheep-choong-hae-yoh
Question Polite (요)
집중해요?
cheep-choong-hae-yoh-?
Connective “and” — (고)
집중하고
cheep-choong-hah-goh
Conditional “if” — (면)
집중하면
cheep-choong-hah-myuhn
Noun form — (기)
집중함
cheep-choong-hahm