Поставить предложения в вопросительную и отрицательную формы:
1. He is a navigator.
2. We usually take on some cargo I this port/
3. The crew went ashore at 5 p.m.
4. We shall go to our home port.
5. The sea is growing stormy.
6. The engineers had repaired the engine by 6 o’clock.
7. We have caught about 60 tons of fish.
8. The ship will be trawling from 5 till 7 p.m.
9. We are promised good weather next week.
10. The shipyard will have built 12 ships of this series by next year.

Ответ:

1. He isn`t a navigator.-Is he a navigator?

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

3. The crew didn`t 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 isn`t growing stormy.- Is the sea growing stormy?

6. The engineers hadn`t repaired the engine by 6 o'clock.-Had the engineers repaired the engine by 6 o'clock?

7. We haven`t caught about 60 tons of fish- Have we caught about 60 tons of fish?

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

9. We aren`t promised good weather next week.-Are we promised good weather next week?

10.The shipyard won`t 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...