Verbseoul.
하다 verb
발상하다balsanghadato conjure up an idea

To say to conjure up an idea politely in the present tense, use 발상해요 (bahl-sahng-hae-yoh). Below is the full conjugation of 발상하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
발상해
bahl-sahng-hae
발상해요
bahl-sahng-hae-yoh
발상합니다
bahl-sahng-hahm-nee-dah
Past
발상했어
bahl-sahng-hae-ssuh
발상했어요
bahl-sahng-hae-ssuh-yoh
발상했습니다
bahl-sahng-hae-sseum-nee-dah
Future
발상할 거야
bahl-sahng-hahl- -guh-yah
발상할 거예요
bahl-sahng-hahl- -guh-yae-yoh
발상할 겁니다
bahl-sahng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
발상하세요
bahl-sahng-hah-sae-yoh
Suggestion / Let's Polite (요)
발상해요
bahl-sahng-hae-yoh
Question Polite (요)
발상해요?
bahl-sahng-hae-yoh-?
Connective “and” — (고)
발상하고
bahl-sahng-hah-goh
Conditional “if” — (면)
발상하면
bahl-sahng-hah-myuhn
Noun form — (기)
발상함
bahl-sahng-hahm