This series on Korean irregular verbs begins with the ㅡ irregular verbs. This group is known as such because the verb stem ends in ㅡ. Among these verbs are: 나쁘다 or 예쁘다. Just keep a few simple in mind when using these verbs.
Boy, the korean counting system is just as confusing as Japanese. // Counting nouns, called 수분류사, are used to count tangible objects and events. There is a long list of different counting nouns and all of them are used to count specific types of things.