Поставить предложения в вопросительную и отрицательную формы:1. He is a navigator.2.

Ответ:

1. He isnt a navigator.-Is he a navigator?

2. Usually we dont take on some cargo in this port.-Do we usually take on any cargo in this port?

3. The crew didnt go ashore at 5 p.m.-Did the crew go ashore at 5 p.m?

4. We shall not (will not)go to our home port.-Shall(Will) we go to  our home port?

5. The sea isnt growing stormy.- Is the sea growing stormy?

6. The engineers hadnt repaired the engine by 6 o'clock.-Had the engineers repaired the engine by 6 o'clock?

7. We havent caught about 60 tons of fish- Have we caught about 60 tons of fish?

8.The ship wont be trawling from 5 till 7 p.m.- Will the ship be trawling from 5 till 7 p.m.?

9. We arent promised good weather next week.-Are we promised good weather next week?

10.The shipyard wont have built 12 ships of this seriers by next year.-Will the shipyard have built 12 ships of this seriers by next year?

Объяснение:

C 10 я не уверена...