This document discusses yes/no questions in English and Arabic. It begins by defining yes/no questions as questions that can be answered with "yes" or "no". It explains that in English, these questions can be formed positively or negatively. In Arabic, they are formed similarly to English but use different question words. The document then provides examples of affirmative and negative yes/no questions in both languages. It discusses using auxiliary verbs like "do" and "did" to form questions. Various tenses and cases for forming yes/no questions are presented. The document concludes that it discussed the structure of yes/no questions in both languages and touched on potential translation problems and solutions.