Iv. поставьте следующие предложения в отрицательную и вопросительную форму. 1. he is attending the lecture of economics now. 2. planets are going round the sun. 3. we were working on a new project all the day yesterday. 4. sam brown was working with clients, when the boss came to the office. 5. we shall be still working here in ten years’ time. 6. at ten o’clock tomorrow he will be working at his report.
