Sentences with "when"

Send me a text message. Suggestions? Subjects for future podcasts? Let me know--thanks! A student asked me today to explain the difference between "when" and "while" in English. I think examples are the best way to learn so here are questions and statements containing "when" and I'll do "while" very soon--I promise! When I arrived, it was raining. When is your next meeting? When I saw him, he was getting ready for a trip. When did she get married? When do you finish work? I met them when they...