This worksheet helps upper-intermediate ESL students practise creating more complex sentences using adjective clauses. By adding details to basic sentences, students will learn how to combine ideas seamlessly using words like "who," "that," "which," "where," and "whose." This activity focuses on developing their sentence structure and enriching their writing style. Clear instructions, examples, and varied sentences make this exercise perfect for expanding their grasp of English grammar. By the end of the worksheet, students will have a solid understanding of how to use adjective clauses to add specificity and detail to their sentences.