This study was conducted to investigate the impact of the grammar translation method (GTM) as a strategy to achieve the educational objective of teaching English manner adverbs to Arab students. This study compares specific parts of speech in both languages. A pre-test of five sentences with adjectives to be changed into manner adverbs in English was given to EFL learners. The test was performed to evaluate the students' knowledge of English manner adverbs before conducting the instructional intervention. To this end, 35 students in a remedial English class, beginners who did not pass the university's placement test, were examined. The researchers selected three adjectives in English and their translation in Arabic then changed them into adverbs in Arabic by adding the preposition [special character omitted]. Same adjectives were changed into manner adverbs by adding the suffix -ly to serve the task of analysis required to compare the two languages during the process of the instructional intervention. A post-test was then administered that included five sentences of adjectives in English to be changed into adverbs of manner. The subject of this study was to use the similarity of specific parts of speech in both Arabic and English in teaching Arab students at the beginner level the English manner adverbs. This paper provides an analysis of teaching English adverbs by emphasizing the Arabic language as the mother tongue of EFL learners in the classroom, which is significant in EFL composition because it can help EFL learners gain native competency and foster their rhetorical awareness.