-고
Quick answer: -고 means and — joins two verbs or two adjectives.
How to form it
stem + 고 · same form whether or not the stem ends in a consonant · 춥고 바람이 불어요
In Korean: 어간 + 고 받침과 상관없습니다 춥고 바람이 불어요
What to know
With adjectives 고 simply means and. With verbs it can also mean and then, in that order — 먹고 가요 is eat, then go. Context decides, and at this level the order reading is the common one.
Examples
- 오늘은 춥고 흐려요.Today it's cold and cloudy.
- 봄에는 따뜻하고 맑아요.In spring it's warm and clear.
- 밥을 먹고 학교에 가요.I eat and then go to school.
Where it's taught
HanDa Level 1 (TOPIK I), Lesson 15: 오늘 날씨가 어때요? — How's the weather today?. Also in the Level 1 book.
Learned in the same lesson: ㅂ 불규칙.
Practise -고 out loud
In the HanDa app this is Level 1, Lesson 15 — drills, a speaking check and an AI teacher that corrects what you say. Free for 7 days.