Essential Grammar

Level 3 — Essential Grammar: Korean's Particle System

Level 3 is the level where Korean grammar starts feeling like Korean grammar. Particles — the small markers that follow nouns to indicate their grammatical role — are the central skeleton of every Korean sentence, and the difference between sounding fluent and sounding like a beginner often comes down to whether you instinctively pick 은/는 or 이/가 in a given moment.

This level walks through the core particle set: 은/는 (topic), 이/가 (subject), 을/를 (object), 에 (direction/time), 에서 (location of action), 와/과 (and/with), 의 (possessive). Each one gets explained with the rule, the natural usage pattern, and contrastive examples — because the rule alone almost never explains why a native speaker picks one over another. The famous 은/는 vs 이/가 problem, for example, is not really a grammatical choice; it is a discourse-level choice about what information is new versus already established. That kind of nuance is what separates Level 3 from a generic textbook chapter.

Japanese speakers have a major advantage here. Japanese particles like は, が, を, に, で map onto the Korean ones with surprising consistency — は ≒ 은/는, が ≒ 이/가, を ≒ 을/를, に ≒ 에, で ≒ 에서. If you already use these naturally in Japanese, half the work of Level 3 is just learning the Korean spelling. English speakers should expect this level to take longer because there is no English equivalent at all — but the payoff is huge: once particles click, your Korean sentences immediately sound less foreign.

By the end of this level you will:

• Choose 은/는 vs 이/가 confidently in context
• Use 을/를 to mark direct objects without overthinking it
• Distinguish 에 (destination/time) from 에서 (location of action)
• Build complete Korean sentences with subject + object + verb word order