This document discusses cross-linguistic issues in teaching English as a foreign language. It explores how a learner's first language (L1), in this case Arabic, can interfere with their acquisition of English grammar. The author analyzes writing samples from English learners in Saudi Arabia and finds evidence that their L1 influences aspects of English grammar. The study aims to understand this cross-linguistic influence in order to develop effective teaching strategies. It recommends innovative e-learning strategies to help minimize negative transfer from L1 to L2.