Some basic Korean grammar points to learn are: – 이다, – 이에요/예요 = is, are, am 있다, 있어요 = at, in or has, have 없다, 없어요 = not at, not in or does not have 안, – 지 않다/않아요 = not 못 = cannot Check out our article to know exactly how to use each of them.