Verbseoul.
으 irregular
애쓰다aesseudaTo exert or strain oneself to reach a goal

To say To exert or strain oneself to reach a goal politely in the present tense, use 애써요 (ae-ssuh-yoh). Below is the full conjugation of 애쓰다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
애써
ae-ssuh
애써요
ae-ssuh-yoh
애씁니다
ae-sseum-nee-dah
Past
애썼어
ae-ssuh-ssuh
애썼어요
ae-ssuh-ssuh-yoh
애썼습니다
ae-ssuh-sseum-nee-dah
Future
애쓸 거야
ae-sseul- -guh-yah
애쓸 거예요
ae-sseul- -guh-yae-yoh
애쓸 겁니다
ae-sseul- -guhm-nee-dah

Other useful forms

Command Polite (세요)
애쓰세요
ae-sseu-sae-yoh
Suggestion / Let's Polite (요)
애써요
ae-ssuh-yoh
Question Polite (요)
애써요?
ae-ssuh-yoh-?
Connective “and” — (고)
애쓰고
ae-sseu-goh
Conditional “if” — (면)
애쓰면
ae-sseu-myuhn
Noun form — (기)
애씀
ae-sseum