In Korean, sentences have a particular word order. The basic form of Korean sentence is SUBJECT - OBJECT - VERB. The verb (or linking verb or adjective) always comes at the end of the sentence. Modifiers always precede the modified word. The word order cannot be changed without changing the meaning or producing a grammatical mistake.
이 기차는 5시에 부산에 도착합니다. "This train arrives at Busan at 5 o'clock."
In Korean, the word order for the sentence is the following:
"This train at 5 o'clock at Busan arrives."
In the Korean language, unlike in English, "unnecessary" words can be left out of a sentence as long as the context makes the meaning clear.
A: 학교에 가세요? "To school going?"
B: 아니오. "No."
Thus, in this Korean sentence we can't say to whom the question is addressed without knowing the context. It can be "you" or "he" or "she" or "they" etc.
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