Найдите и выделите в предложениях подлежащее и сказуемое. Определите время сказуемого.
1) The organization of the crew of a cargo ship is changing.
2) The harbours of the island served as convenient ports.
3) All permanent housing above the main deck is a superstructure.
4) The third mate will make entries into the logbook.

1)the organiztion-подл., is changing-сказ.( Present Continuous)2-the harbours-подл., served-сказ.(Past Simple)3-housing-подл., is-сказ.(Present Simple)4-mate-подл., will make-сказ.(Future Simple)