Abstrak
One aspect which influences the succesfully teaching is lesson plan designed by teachers. However, there were the some problems in implementation English teachers’ lesson plan in teaching and learning process. There was inappropriateness of lesson plan designed by the teachers with its implementation, such as insufficient time allocation, unavailable media and inappropriate methods. The teachers also did not use scientifict method as dirrected in 2013 curriculum. Moreover, the teachers had difficulty to develop learning activities. The purpose of this research were to find out how appropriate the lesson plan designed by the two teachers with the standard of a lesson plan and how appropriate the lesson plan designed by the two teachers with its implementation. The researcher used qualitative approach in the form of descriptive qualitative in this research. The informants of this research were two English teacher in Ashhabul Yamin Boarding school who taught at MTS and MA level. The researcher analyzed some lesson plans designed by the teachers and observed its implementation. The data were obtained by document analyisis, observation sheet and interview. to answer the first purpose of this research, the data were collected from document in the form of lesson plans. Then, to nswer the secon purpose, the data were collected from observation by joining in the learning process and using observation sheets. Meanwhile, to complete the unanswered data from observation, the researcher did interview. The result of this research showed two findings. First, both teachers missed some indicators in designing lesson plan. Teacher A missed core competence, subject matter, and attachment. Meanwhile, Teacher B missed the indicator of competences achievement, the media, the sources, aspect attitude in assessment and attachment. Second, both teachers did not follow the lesson plan in teaching and learning process, such as the method, the media, the steps of teaching and sometimes they did not assess students based on the aspect that they planned in the lesson plan.