Необходимо сделать отрицательными и вопросительными. 1. They are developing a new technology to use less oil 2. My pay grows regularly 3. I was working at home for a few days 4. Our main competitors dropped their prices 5. She has found all the missing files and documents 6. By that time they will have already looked through the information about the financial situation of the company. 7. They had prepared all the documents by the end of the fiscal year.
Are they not developing a new technology to use less oil?Does my pay not grow regularly?Were you not working at home for a few days?Haven't our main competitors dropped their prices?Hasn't she found all the missing files and documents?Won't they have already looked through the information about the financial situation of the company by that time?Hadn't they prepared all the documents by the end of the fiscal year?