Verbseoul.
하다 verb (adj)

감사하다 conjugation (gamsahada, to be thankful)

To say to be thankful politely in the present tense, use 감사해요 (gahm-sah-hae-yoh) · gamsahaeyo. Below is the full conjugation of 감사하다 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
감사해
gahm-sah-hae
gamsahae
감사해요
gahm-sah-hae-yoh
gamsahaeyo
감사합니다
gahm-sah-hahm-nee-dah
gamsahamnida
Past
감사했어
gahm-sah-hae-ssuh
gamsahaesseo
감사했어요
gahm-sah-hae-ssuh-yoh
gamsahaesseoyo
감사했습니다
gahm-sah-hae-sseum-nee-dah
gamsahaesseumnida
Future
감사할 거야
gahm-sah-hahl guh-yah
gamsahal geoya
감사할 거예요
gahm-sah-hahl guh-yae-yoh
gamsahal geoyeyo
감사할 겁니다
gahm-sah-hahl guhm-nee-dah
gamsahal geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
감사하세요
gahm-sah-hah-sae-yoh
gamsahaseyo
Suggestion / Let's Polite (요)
감사해요
gahm-sah-hae-yoh
gamsahaeyo
Question Polite (요)
감사해요?
gahm-sah-hae-yoh-?
gamsahaeyo?
Connective "and" — (고)
감사하고
gahm-sah-hah-goh
gamsahago
Conditional "if" — (면)
감사하면
gahm-sah-hah-myuhn
gamsahamyeon
Progressive (고 있어요)
감사하고 있어요
gahm-sah-hah-goh ee-ssuh-yoh
gamsahago isseoyo
Want to (고 싶어요)
감사하고 싶어요
gahm-sah-hah-goh shee-puh-yoh
gamsahago sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
감사할 수 있어요
gahm-sah-hahl soo ee-ssuh-yoh
gamsahal su isseoyo
Because / So (아/어서)
감사해서
gahm-sah-hae-suh
gamsahaeseo
Noun form — (기)
감사하기
gahm-sah-hah-gee
gamsahagi
Noun form — (음)
감사함
gahm-sah-hahm
gamsaham