Verbseoul.
하다 verb (adj)
상냥하다sangnyanghadakind, friendly, nice, benevolent

To say kind, friendly, nice, benevolent politely in the present tense, use 상냥해요 (sahng-nyahng-hae-yoh). Below is the full conjugation of 상냥하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
상냥해
sahng-nyahng-hae
상냥해요
sahng-nyahng-hae-yoh
상냥합니다
sahng-nyahng-hahm-nee-dah
Past
상냥했어
sahng-nyahng-hae-ssuh
상냥했어요
sahng-nyahng-hae-ssuh-yoh
상냥했습니다
sahng-nyahng-hae-sseum-nee-dah
Future
상냥할 거야
sahng-nyahng-hahl- -guh-yah
상냥할 거예요
sahng-nyahng-hahl- -guh-yae-yoh
상냥할 겁니다
sahng-nyahng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
상냥하세요
sahng-nyahng-hah-sae-yoh
Suggestion / Let's Polite (요)
상냥해요
sahng-nyahng-hae-yoh
Question Polite (요)
상냥해요?
sahng-nyahng-hae-yoh-?
Connective “and” — (고)
상냥하고
sahng-nyahng-hah-goh
Conditional “if” — (면)
상냥하면
sahng-nyahng-hah-myuhn
Noun form — (기)
상냥함
sahng-nyahng-hahm