Verbseoul.
하다 verb (adj)
이러하다ireohadaformal form of 이렇다 (ireota)

To say formal form of 이렇다 (ireota) politely in the present tense, use 이러해요 (ee-ruh-hae-yoh). Below is the full conjugation of 이러하다 across the three tenses and three everyday speech levels.

Conjugation table

TenseCasual (반말)Polite (요)Formal (합니다)
Present
이러해
ee-ruh-hae
이러해요
ee-ruh-hae-yoh
이러합니다
ee-ruh-hahm-nee-dah
Past
이러했어
ee-ruh-hae-ssuh
이러했어요
ee-ruh-hae-ssuh-yoh
이러했습니다
ee-ruh-hae-sseum-nee-dah
Future
이러할 거야
ee-ruh-hahl- -guh-yah
이러할 거예요
ee-ruh-hahl- -guh-yae-yoh
이러할 겁니다
ee-ruh-hahl- -guhm-nee-dah

Other useful forms

Command Polite (세요)
이러하세요
ee-ruh-hah-sae-yoh
Suggestion / Let's Polite (요)
이러해요
ee-ruh-hae-yoh
Question Polite (요)
이러해요?
ee-ruh-hae-yoh-?
Connective “and” — (고)
이러하고
ee-ruh-hah-goh
Conditional “if” — (면)
이러하면
ee-ruh-hah-myuhn
Noun form — (기)
이러함
ee-ruh-hahm