This document contains a collection of sentences in English and Spanish using the word "when" to ask questions about times or events. The sentences ask about everyday activities like studying, going home, talking, shopping, having parties, cleaning, doing homework, and coming and going places. They also mention past events like being young, seeing something scary, walking somewhere, a dog arriving and a grandmother dying. The document explains that "when" is a word used to ask questions in English and its Spanish translation is "cuando".