1-Has he developed a new design of this machine? 2-Will she have written the report by Monday? 3-Is she conducting the experiment? 4-I don't use computers in my work 5-He was doing the calculations when the professor came. 6-Will you test your construction next week? 7-Had she left the laboratory before the work was finished? 8-Is your theory based on careful observations? 9-Should you start your work at laboratory in the morning? 10-We cant control this research without a computer. 11-Didnt we solve the problem two days ago? Или We didn't solve the problem two days ago. (Смотря если вопрос или отрицательное предложение) 12- She doesn't apply new methods of calculations.
1-Has he developed a new design of this machine? 2-Will she have written the report by Monday? 3-Is she conducting the experiment? 4-I don't use computers in my work 5-He was doing the calculations when the professor came. 6-Will you test your construction next week? 7-Had she left the laboratory before the work was finished? 8-Is your theory based on careful observations? 9-Should you start your work at laboratory in the morning? 10-We cant control this research without a computer. 11-Didnt we solve the problem two days ago? Или We didn't solve the problem two days ago. (Смотря если вопрос или отрицательное предложение) 12- She doesn't apply new methods of calculations.