가. Basic verb stem: Basic form of all verbs ends in ‘~다’. It also can be used in the dictionary form. We call the main part except ‘~다’ as “Basic Verb Stem” and “Verb Ending”. Usually ‘Verb Stem’ does not change, but ‘Verb Ending’ changes its form and has many meanings. 이다, 가다, 먹다, 쇼핑하다.....
나. Object particle : ~을/를 come after a noun and shows the object of the verb in the sentence.
보기(e.g.): 저는 한국 음악을 좋아해요.
다. Directional marker or locative particle ~에(to, toward, at, in, on, to for, per) is attached to place, time and counting unit. In this chapter, ~ 에 is used for indicating the location you are going to.
한국에 가요. 싱가포르에 와요.
머라이언이 센토사에 있어요. 집에 초대해요.
한국에서 왔어요. (I am from Korea)
한국에서 한국말을 공부해요. (I study Korean in Korea.)
Present tense: when basic verb stem ends with 아,오 then you need to combine with 아요, 어/우/으/이 with 어요 and 하 with, 해요 respectively.