Verbseoul.
하다 verb
노망하다nomanghadato become senile

To say to become senile politely in the present tense, use 노망해요 (noh-mahng-hae-yoh). Below is the full conjugation of 노망하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
노망해
noh-mahng-hae
노망해요
noh-mahng-hae-yoh
노망합니다
noh-mahng-hahm-nee-dah
Past
노망했어
noh-mahng-hae-ssuh
노망했어요
noh-mahng-hae-ssuh-yoh
노망했습니다
noh-mahng-hae-sseum-nee-dah
Future
노망할 거야
noh-mahng-hahl- -guh-yah
노망할 거예요
noh-mahng-hahl- -guh-yae-yoh
노망할 겁니다
noh-mahng-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
노망하세요
noh-mahng-hah-sae-yoh
Suggestion / Let's Polite (요)
노망해요
noh-mahng-hae-yoh
Question Polite (요)
노망해요?
noh-mahng-hae-yoh-?
Connective “and” — (고)
노망하고
noh-mahng-hah-goh
Conditional “if” — (면)
노망하면
noh-mahng-hah-myuhn
Noun form — (기)
노망함
noh-mahng-hahm