In English, future tense is marked by “will” or the “be going to” pattern, as in “I will go to Chicago,” or “I am going to eat pizza tonight.”
In Korean, the most common way to express a future event is to use the probable future ending -(으)ㄹ 거예요.
One must remember however that this ending does not express future but probable future.
In Korean, an event that will surely happen in the future is expressed by the present tense with a time adverb. Consider the following three sentences: