Verbseoul.
하다 verb (adj)

안전하다 conjugation (anjeonhada, to be safe)

To say to be safe politely in the present tense, use 안전해요 (ahn-chuhn-hae-yoh) · anjeonhaeyo. Below is the full conjugation of 안전하다 across the three tenses and three everyday speech levels.

Grammar note (하다 verb (adj)): 하다 adjectives use the same verb 하다 as a suffix to turn descriptive nouns into predicates (행복하다 = to be happy). They conjugate identically to 하다 verbs: the 하 contracts before -아/-어 suffixes to give 해. 행복해요, 행복했어요, 행복합니다. See all 하다 verbs →

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

Highlighted = where the stem changes

TenseCasual (반말)Polite (요)Formal (합니다)
Present
안전해
ahn-chuhn-hae
anjeonhae
안전해요
ahn-chuhn-hae-yoh
anjeonhaeyo
안전합니다
ahn-chuhn-hahm-nee-dah
anjeonhamnida
Past
안전했어
ahn-chuhn-hae-ssuh
anjeonhaesseo
안전했어요
ahn-chuhn-hae-ssuh-yoh
anjeonhaesseoyo
안전했습니다
ahn-chuhn-hae-sseum-nee-dah
anjeonhaesseumnida
Future
안전할 거야
ahn-chuhn-hahl guh-yah
anjeonhal geoya
안전할 거예요
ahn-chuhn-hahl guh-yae-yoh
anjeonhal geoyeyo
안전할 겁니다
ahn-chuhn-hahl guhm-nee-dah
anjeonhal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
안전하세요
ahn-chuhn-hah-sae-yoh
anjeonhaseyo
Suggestion / Let's Polite (요)
안전해요
ahn-chuhn-hae-yoh
anjeonhaeyo
Question Polite (요)
안전해요?
ahn-chuhn-hae-yoh-?
anjeonhaeyo?
Connective "and" — (고)
안전하고
ahn-chuhn-hah-goh
anjeonhago
Conditional "if" — (면)
안전하면
ahn-chuhn-hah-myuhn
anjeonhamyeon
Progressive (고 있어요)
안전하고 있어요
ahn-chuhn-hah-goh ee-ssuh-yoh
anjeonhago isseoyo
Want to (고 싶어요)
안전하고 싶어요
ahn-chuhn-hah-goh shee-puh-yoh
anjeonhago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
안전할 수 있어요
ahn-chuhn-hahl soo ee-ssuh-yoh
anjeonhal su isseoyo
Because / So (아/어서)
안전해서
ahn-chuhn-hae-suh
anjeonhaeseo
Noun form — (기)
안전하기
ahn-chuhn-hah-gee
anjeonhagi
Noun form — (음)
안전함
ahn-chuhn-hahm
anjeonham