الخلاصة:
The present study investigates the Effects of the EFL learners L1 schemata on their speaking ability. Schemata, as a concept of the language structures that are stored in the non-native speaker’s mind, play an influential role in deciding his/her way of observing, perceiving, and interpreting information., represented in his/her EFL utterances. So, this research  raises  the  problem  of  the  way  the  EFL  learners’  L1  schemata  affect  their speaking ability. It aims at suggesting methods and strategies for reducing the effects of L1 schemata on the learners’ speaking ability. The study follows the descriptive type of research via describing sessions of oral expression with 2 year licence students at the University of Ghardaia. It is based on the quantitative approach through administering a questionnaire  to  100  students  of  the  same  level.  The  results  indicate  that  the  EFL students’ L1 schemata influences their process of speaking so that teachers have to develop various methods of teaching oral expression to enhance their learners’ speaking competence.