Verbseoul.
하다 verb
과시하다gwasihadato flaunt, to show off

To say to flaunt, to show off politely in the present tense, use 과시해요 (gwah-shee-hae-yoh). Below is the full conjugation of 과시하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
과시해
gwah-shee-hae
과시해요
gwah-shee-hae-yoh
과시합니다
gwah-shee-hahm-nee-dah
Past
과시했어
gwah-shee-hae-ssuh
과시했어요
gwah-shee-hae-ssuh-yoh
과시했습니다
gwah-shee-hae-sseum-nee-dah
Future
과시할 거야
gwah-shee-hahl- -guh-yah
과시할 거예요
gwah-shee-hahl- -guh-yae-yoh
과시할 겁니다
gwah-shee-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
과시하세요
gwah-shee-hah-sae-yoh
Suggestion / Let's Polite (요)
과시해요
gwah-shee-hae-yoh
Question Polite (요)
과시해요?
gwah-shee-hae-yoh-?
Connective “and” — (고)
과시하고
gwah-shee-hah-goh
Conditional “if” — (면)
과시하면
gwah-shee-hah-myuhn
Noun form — (기)
과시함
gwah-shee-hahm