Напишите предложение в passive voice 5.the teacher is examining the student at the moment. 6. the bbc was broadcasting the news from 8 till 8-30 p.m. 7. they had tested the device by 6 o’clock. 8. the antivirus programme will check all the files only by the evening

The students are examinated by the teacher at the moment.
The news were broadcasted by the BBC from 8 till 8.30 p.m
The device had being tested by them by 6 o'clock
All files will be checked by antivirus by the evening