Phrasal verbs are one of these idiomatic expressions which students find difficulty in forming and using them. These difficulties in understanding and using phrasal verbs may be due to the feel that either such expressions do not exist in Arabic language “students “native language or because of that phrasal verbs consist of two different parts of speech. This study aims to shed light on how to use authentic texts as an effective device in teaching phrasal verbs as well as encouraging students to use these phrasal verbs in their writings. Therefore, the researcher hypothesizes that if the students were provided with authentic texts as a device while teaching phrasal verbs, students will gradually become familiar with phrasal verbs and most important they will start to use such items in their writings