1. I go to the institute every day. - I do not go to the institute every day. 2. We work at an office. - We don\'t work at an office. 3. Mary teaches children. - Mary doesn\'t teach children. 4. They write dictations every week. - They don\'t write dictations every week. 5. His sister lives in a big house. - His sister doesn\'t live in a big house. 6. Her father works a lot. - Her father doesn\'t work a lot. 7. Jake and Kate have a dog. - Jake and Kate don\'t have a dog. 8. My grandmother cooks very well. - My grandmother doesn\'t cook very well. 9. You speak English very well! - You don\'t speak English very well! 10. He and his wife learn French. - He and his wife don\'t learn French.