Passive voice
In the future, many cities will be blocked by the traffic.
Joe and his friends will be arrested by the police.
The fire could have been caused by an electrical fault.
All the fights were cancelled by they.
Her house is being redecorating again.
active voice:
I'm studying for my exams
The shop will be opening the next week.
He doesn't want to see me again.
she dislikes me
Tom starts the flight