The aim of this research is to explain the effectiveness of using dictation technique exercise through Tell Me More software in teaching Simple Present Tense at eighth grade in SMPN 18 Semarang in the academic year of 2018/2019. This research used experimental research that conducted two classes with the population of this research was the eighth grade of SMPN 18 Semarang. They are VIII B as control class and VIII C as an experimental class. VIII C was taught by using Tell Me More software but VIII B was taught without Tell Me More software. After the data had been collected, the result of pre-test average of the experimental class was 49.67 and control class 45.67. Then the post-test average of the experimental class was 74.67 and control class was 62.33. The obtained t-test was 3.40 while t-table 1.671 with α = 5%. The t-test was higher than t-table, so it meant that Ha was accepted and Ho was rejected. So, dictation technique exercise through Tell Me More software was effective in teaching simple present tense in SMPN 18 Semarang in the academic year of 2018/2019.