Korean Grammar Notes TTMIK
Book 1: lesson 9

Topic / Subject Marking Particles / -은/는 -을/를

Topic marking particles: -은/는

Conjugation

Word ending with a final consonant + -은 Word ending with a final vowel + -는

Conjugation

Word ending with a final consonant + -ěť´ Word ending with a final vowel + -ę°€

What more is there about the particle -은/는/이/가?

In addition to marking topics, -은/는 has the nuance of “about“ something, “as for“ something, or even “unlike other things“ or “different from other things“.