시제

Past and future

-었어요, -(으)ㄹ 거예요, and the progressive 고 있어요.

Past is a vowel dance

Past polite: stem + -았어요/-었어요 (하다 → 했어요). Future/intention: -(으)ㄹ 거예요 — 갈 거예요 “I’ll go / I’m going to go.” Progressive: -고 있어요 — 일하고 있어요.