Here is a list 은/는 Used as a topic particle or a subject particle. 이/가 Used as an identifier particle or a subject particle. 도 Used as an additive particle. 을/를 Used as an object particle. 에게/한테 Used as a dative particle. 으로/로 Used to mark the instrumental case, which can also denote destination or role. 에 Used for any words relating to time or place. 에서 Translates to: "from" when used with a motion verb. May also be used as "at", "in" when used with an action verb which is not motion related. 만 Translates to: "only", used after a noun. 의 Functions as: possession indicator, noun link, topic marker. 과/와 Translates to: "and" (conjunction); "with" or "as with" (preposition). For details, refer to http://en.wikipedia.org/wiki/Korean_postpositions