Mastery of the simple present tense is the basic in the grammar aspect that is important for every student to learn and master. However, there are some students who have not mastered the simple present tense yet. One of the reasons is that students do not have high learning motivation in mastering simple present tense. In this case, the total population in the study was 352 students. Researcher used a proportional random sampling technique to take samples from the study. Techniques in data collection are to use 40 items questionnaire of learning motivation and 30 items simple present tense mastery test. From the analysis, it is found that the relationship is 0.940 using a significant level of 5% (0.05). The results obtained using the r table using the product moment formula and also the level of confidence is 95%, with a sample size of 36 students, the results will be obtained 0.329, meaning that the robserved (0.940) > r table (0.329). So H0, was rejected and Ha was received. It meant that there is correlation between learning motivation and simple present tense mastery at the eleventh grades of SMAN 02 Kotabumi in Academic Year 2020/2021.