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1. They said: "We have bought all the food"
2. He said: "I am coming back home on Tuesday"
3. My friend asked me: "Do you eat more fruit and vegetables?"
4. Doctor asked him: "Are you following a diet?"
5. He asked me: "What is the time?"
6. "When have you visited her?" she asked

1. They said they had bought all the food2. He said he was coming back home on Tuesday3. My friend asked me if I ate more fruit and vegetables4. Doctor asked him if he was following a diet5. He asked me what the time was6. She asked when I had visited her