Составить разделительные вопросы в разных временах (7 вопросов)

1. There are three children in the shop, aren't they? Present Simple 2. I was looking for a new interesting book for reading, wasn't I? Past Continuous 3. I have already read this book, haven't I? Present Perfect 4. She didn't have much time, did she? Past Simple 5. He is going to school now, isn't he? Present Continuous 6. Tickets are sold until the day of the concert, aren't they? Present Simple Passive Voice 7. Dudinka was founded in the second half of the seventeenth century, wasn't it? Past Simple Passive Voice