The Korean Writing SystemSyllablesNounsPredicatesFormal and Informal SpeechPre-Final and Final EndingsSpeech LevelAdding ㅓ or ㅏ to a predicate stemWords with 받침Adding 으 to predicates stemsThe Deferential Speech LevelThe Intimate Speech LevelThe Polite Speech LevelThe Plain Speech LevelThe Honorific Ending 시Irregular PredicatesParticlesThe Subject Particle 가 and 이The object particle 를 and 을The Topic Particle 는 and 은Forming a Sentence이다 and 아니다있다 and 없다NegationPast TensePredicates as ModifiersDeterminersBound NounsExpressing desire with 고 싶다NumbersCountersQuestionsThe Particle 에The Plural Particle 들The Possessive Particle 의The Particle 에서The Particle 도The Particle 부터The Particle 까지The Particle 만

Forming a Sentence

There are two ideas which are prevalent throughout the Korean language. Firstly, the order of information is organized from general to specific. Secondly, implicitly understood information can be ommitted from communcation.
Word order
A simple Korean sentence is composed of a subject and a predicate. The subject is written before the predicate.
The beach is beautiful.
If the predicate accepts an object, then the object is written before the predicate.
I eat rice.
Context based omission
The subject or topic of a sentence can be omitted when the subject or topic is implicitly understood. Pronouns are the most commonly omitted parts of speech in Korean communication.
덕수:  선미 ?
Duksu: Has Sunmi eaten?
선미:  .
Sunmi: (I) have not eaten. (I) am hungry.
As for Sunmi's response, notice that neither the first sentence (안 먹었어요) nor the second sentence (배고파요) has an explicit subject.