This study attempts a comparative and contrastive analysis of the subsystems of the prepositions in Arabic and English, in terms of their uses, function and meanings in order to find the major similarities and differences between Arabic and English and to account for any possible deviations that may characterize the performance of Arabic learners. The result showed that there are similarities and differences between these two subsystems of the prepositions in Arabic and English. The similarities between them facilitate the development process of learning a foreign language...