R. A. Thyab, “Most Common Grammatical Mistakes Made in English by L1 Arabic LearnersRobert Lado (1957), as well as most contrastive linguists, have shown that the learner’s first language may have a big role to play in the process of second language learning. Due to di”, JLS, vol. 2, no. 4, pp. 49–62, Aug. 2023.