Your question is too broad to answer. Generally, you cannot differ whether a word is a verb or adjective or other with the form. It can be defined in the context of sentence. For details, refer to http://en.wikipedia.org/wiki/Korean_parts_of_speech The word order of Korean is Subject-Object-Verb which is same to Japanese. For details, refer to http://en.wikipedia.org/wiki/Subject%E2%80%93object%E2%80%93verb