Помогите если знаете, пожалуйста!

Write passive sentences, as in the example. what is the tense in each sentence?
1 Alexander Byrne created the Phantom of the opera costumes The Phantom of the opera costumes were created by Alexander Byrne 2 The company employs three hundred people. 3 B & K have built a new cinema complex near the airport. 4 John wrote the essay. 5 The Mayor will open the new theatre this Sunday.

2 The company employs three hundred people. - Three hundred people are employed by the company. – Present indefinite passive   3 B & K have built a new cinema complex near the airport.  - A new cinema complex has been built by B & K neat the airport. – Present perfect passive.   4 John wrote the essay. The essay was written by John – past indef. Passive.   5 The Mayor will open the new theatre this Sunday. This Sunday the new theatre will be opened by the Mayor – future indef. Passive.