Verbseoul.
하다 verb
작사하다jaksahadato write lyrics

To say to write lyrics politely in the present tense, use 작사해요 (chahg-ssah-hae-yoh). Below is the full conjugation of 작사하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
작사해
chahg-ssah-hae
작사해요
chahg-ssah-hae-yoh
작사합니다
chahg-ssah-hahm-nee-dah
Past
작사했어
chahg-ssah-hae-ssuh
작사했어요
chahg-ssah-hae-ssuh-yoh
작사했습니다
chahg-ssah-hae-sseum-nee-dah
Future
작사할 거야
chahg-ssah-hahl- -guh-yah
작사할 거예요
chahg-ssah-hahl- -guh-yae-yoh
작사할 겁니다
chahg-ssah-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
작사하세요
chahg-ssah-hah-sae-yoh
Suggestion / Let's Polite (요)
작사해요
chahg-ssah-hae-yoh
Question Polite (요)
작사해요?
chahg-ssah-hae-yoh-?
Connective “and” — (고)
작사하고
chahg-ssah-hah-goh
Conditional “if” — (면)
작사하면
chahg-ssah-hah-myuhn
Noun form — (기)
작사함
chahg-ssah-hahm