1. It\'s a lovely sunny day, isn\'t it? 2. Sarah is your aunt, isn\'t she? 3. You\'re not an only child, are you? 4. You\'re joking, aren\'t you? 5. She isn\'t very tall, is she? 6. He plays tennis every week, doesn\'t he? 7. Sebastian doesn\'t like bananas, does he? 8. You can\'t come to the party, can you?