Shakespeare is considered a major influence in English literature for several reasons. First, his intricate and nuanced characters provide insight into human nature that is still relevant today. Second, his use of language and wordplay has set the standard for eloquence in writing. Additionally, Shakespeare's exploration of complex themes such as love, jealousy, power, and betrayal resonates with audiences across time and culture. Furthermore, his plays have been adapted and reimagined in various forms, showcasing their enduring popularity and impact on the literary world. In essence, Shakespeare's works continue to shape and inspire writers, actors, and scholars, making him a cornerstone of English literature.