English is an international language that domain the improvement of technology and science. At the moment it includes many aspects of daily activities such as, education, politic, economic, medic, and law. Then it is not be avoided that English has been consumed by the people who wrestle with their own field. There are four kinds of language skill which very important for us in learning English, such as speaking, reading, listening and writing. On the other hand there is one of skills that is usually demands us to master it. That is speaking skill and grammar, because commonly the people who can speak English fluency they will easy to get a job. At least they can understand about English article. The key of mastering speaking skill is practicing more and more and never be forgot its process needs learner self confidence. Speaking without knowing the structural of language also is nothing. Therefore as an English learner we also have to pay attention on grammatical language. It can be easy listener to understand the purpose of our conversation. it is also can increase our confidence in speaking. One of important in grammatical is tenses. Because when we are making conversation with the other one, we are included in a time where the tenses are used and in English there 16 tenses but that usually use in daily activity is four tenses are present tense, past tense, future tense. For this opportunity, in this paper I will tell about simple present tense because this tense more easier to be learned than the other else. And students are going to understand easily because it just uses the verb one. We can relate the uses of simple present by using conversation because the application is very important beside some theories.