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