Verbseoul.
하다 verb (adj)
투명하다tumyeonghadatransparent

To say transparent politely in the present tense, use 투명해요 (too-myuhng-hae-yoh). Below is the full conjugation of 투명하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
투명해
too-myuhng-hae
투명해요
too-myuhng-hae-yoh
투명합니다
too-myuhng-hahm-nee-dah
Past
투명했어
too-myuhng-hae-ssuh
투명했어요
too-myuhng-hae-ssuh-yoh
투명했습니다
too-myuhng-hae-sseum-nee-dah
Future
투명할 거야
too-myuhng-hahl- -guh-yah
투명할 거예요
too-myuhng-hahl- -guh-yae-yoh
투명할 겁니다
too-myuhng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
투명하세요
too-myuhng-hah-sae-yoh
Suggestion / Let's Polite (요)
투명해요
too-myuhng-hae-yoh
Question Polite (요)
투명해요?
too-myuhng-hae-yoh-?
Connective “and” — (고)
투명하고
too-myuhng-hah-goh
Conditional “if” — (면)
투명하면
too-myuhng-hah-myuhn
Noun form — (기)
투명함
too-myuhng-hahm