Abstract :
The research aims to find out improving students? grammar ability by
using communicative language. This research is conducted by using Classroom
Action Research (CAR). The subject of this research is grade VII-8 of Junior
High School 194 Jakarta which consisted of 34 students. The object of this
research is to improve the students? grammar ability through communicative
language. The data is gathered through quantitative data. The quantitative data is
obtained from the students? tenses score of pre-test and post-test.
Based on the result, this research shows that there is an improvement on
the students? grammar ability, it can be seen from the mean score of pre- test is
30.06 and for the mean score of post-test 88.47. Then, the result of the scores and
the mean in Post-test were better than in the Pre-test. It shows that there is
improvement in grammar ability through communicative language.