Перевод в косвенную речь начиная предложение he said

1. He said that he couldn't answer me now, he was receiving their subcontractors 2. He said that they had sold a lot of machines at this price  year before 3. He said that he would be busy the next day, so I would have to meet the delegation 4. He asked me what did I usually do inin my free time 5. He told me didn’t sign the contract until I study it carefully