Verbseoul.
하다 verb
샤워하다syawohadato shower

To say to shower politely in the present tense, use 샤워해요 (shyah-wuh-hae-yoh). Below is the full conjugation of 샤워하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
샤워해
shyah-wuh-hae
샤워해요
shyah-wuh-hae-yoh
샤워합니다
shyah-wuh-hahm-nee-dah
Past
샤워했어
shyah-wuh-hae-ssuh
샤워했어요
shyah-wuh-hae-ssuh-yoh
샤워했습니다
shyah-wuh-hae-sseum-nee-dah
Future
샤워할 거야
shyah-wuh-hahl- -guh-yah
샤워할 거예요
shyah-wuh-hahl- -guh-yae-yoh
샤워할 겁니다
shyah-wuh-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
샤워하세요
shyah-wuh-hah-sae-yoh
Suggestion / Let's Polite (요)
샤워해요
shyah-wuh-hae-yoh
Question Polite (요)
샤워해요?
shyah-wuh-hae-yoh-?
Connective “and” — (고)
샤워하고
shyah-wuh-hah-goh
Conditional “if” — (면)
샤워하면
shyah-wuh-hah-myuhn
Noun form — (기)
샤워함
shyah-wuh-hahm