1. Mr Phillips has been teaching English for 20 years. 2. Everyone was working at 9 o'clock in the morning. 3. I used to eat a lot of vegetables when I was on a diet, but I don't now. 4. Linda isn't used to washing dishes by hand because she has a dishwasher. 5. Two hours ago the baby started crying. 6. I am going to work on foot as I have been doing it for years.