Поставить предложения в вопросительную и отрицательную форму: 1 Black smoke was coming out of the hold. 2 He speaks English well. 3 We shall have dinner in a cafe. 4 Our agent supplied the provision. 5 There were passengers on board our ship. 6 He was busy at that time. 7 The second mate is on watch now. 8 We are picking up speed. 9 The scamen had repaired the engine by themselves. 10 By next October we shall have built 12 ships of this series.