Verbseoul.
하다 verb (adj)
따뜻하다ttatteuthadawarm

To say warm politely in the present tense, use 따뜻해요 (ttah-tteu-tae-yoh). Below is the full conjugation of 따뜻하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
따뜻해
ttah-tteu-tae
따뜻해요
ttah-tteu-tae-yoh
따뜻합니다
ttah-tteu-tahm-nee-dah
Past
따뜻했어
ttah-tteu-tae-ssuh
따뜻했어요
ttah-tteu-tae-ssuh-yoh
따뜻했습니다
ttah-tteu-tae-sseum-nee-dah
Future
따뜻할 거야
ttah-tteu-tahl- -guh-yah
따뜻할 거예요
ttah-tteu-tahl- -guh-yae-yoh
따뜻할 겁니다
ttah-tteu-tahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
따뜻하세요
ttah-tteu-tah-sae-yoh
Suggestion / Let's Polite (요)
따뜻해요
ttah-tteu-tae-yoh
Question Polite (요)
따뜻해요?
ttah-tteu-tae-yoh-?
Connective “and” — (고)
따뜻하고
ttah-tteu-tah-goh
Conditional “if” — (면)
따뜻하면
ttah-tteu-tah-myuhn
Noun form — (기)
따뜻함
ttah-tteu-tahm