Verbseoul.
regular

떨어뜨리다 conjugation (tteoleotteurida, to drop)

To say to drop politely in the present tense, use 떨어뜨려요 (ttuh-ruh-tteu-ryuh-yoh) · tteoreotteuryeoyo. Below is the full conjugation of 떨어뜨리다 across the three tenses and three everyday speech levels.

Grammar note (regular): Regular verbs and adjectives conjugate predictably. Before 어-series suffixes, vowels may contract (가 + 아 → 가, 보 + 아 → 봐), but no consonant in the stem changes. If the final vowel of the stem is ㅏ or ㅗ, use 아; otherwise use 어. Consonant-final stems: 먹 + 어 → 먹어; vowel-final: 가 + 아 → 가.

Conjugation table

pron. = pronunciation guide  · RR = Revised Romanization

TenseCasual (반말)Polite (요)Formal (합니다)
Present
떨어뜨려
ttuh-ruh-tteu-ryuh
tteoreotteuryeo
떨어뜨려요
ttuh-ruh-tteu-ryuh-yoh
tteoreotteuryeoyo
떨어뜨립니다
ttuh-ruh-tteu-reem-nee-dah
tteoreotteurimnida
Past
떨어뜨렸어
ttuh-ruh-tteu-ryuh-ssuh
tteoreotteuryeosseo
떨어뜨렸어요
ttuh-ruh-tteu-ryuh-ssuh-yoh
tteoreotteuryeosseoyo
떨어뜨렸습니다
ttuh-ruh-tteu-ryuh-sseum-nee-dah
tteoreotteuryeosseumnida
Future
떨어뜨릴 거야
ttuh-ruh-tteu-reel guh-yah
tteoreotteuril geoya
떨어뜨릴 거예요
ttuh-ruh-tteu-reel guh-yae-yoh
tteoreotteuril geoyeyo
떨어뜨릴 겁니다
ttuh-ruh-tteu-reel guhm-nee-dah
tteoreotteuril geomnida

Other useful forms

Honorific / Command Polite (-(으)세요)
떨어뜨리세요
ttuh-ruh-tteu-ree-sae-yoh
tteoreotteuriseyo
Suggestion / Let's Polite (요)
떨어뜨려요
ttuh-ruh-tteu-ryuh-yoh
tteoreotteuryeoyo
Question Polite (요)
떨어뜨려요?
ttuh-ruh-tteu-ryuh-yoh-?
tteoreotteuryeoyo?
Connective "and" — (고)
떨어뜨리고
ttuh-ruh-tteu-ree-goh
tteoreotteurigo
Conditional "if" — (면)
떨어뜨리면
ttuh-ruh-tteu-ree-myuhn
tteoreotteurimyeon
Progressive (고 있어요)
떨어뜨리고 있어요
ttuh-ruh-tteu-ree-goh ee-ssuh-yoh
tteoreotteurigo isseoyo
Want to (고 싶어요)
떨어뜨리고 싶어요
ttuh-ruh-tteu-ree-goh shee-puh-yoh
tteoreotteurigo sipeoyo
Can / Able to ((으)ㄹ 수 있어요)
떨어뜨릴 수 있어요
ttuh-ruh-tteu-reel soo ee-ssuh-yoh
tteoreotteuril su isseoyo
Because / So (아/어서)
떨어뜨려서
ttuh-ruh-tteu-ryuh-suh
tteoreotteuryeoseo
Noun form — (기)
떨어뜨리기
ttuh-ruh-tteu-ree-gee
tteoreotteurigi
Noun form — (음)
떨어뜨림
ttuh-ruh-tteu-reem
tteoreotteurim