سلام
مجهول زمان حال کامل :
1- A new car has been invented by them.
2-His room hasn't been cleaned by him.
3-Some thieves have been arrested by the policeman.
مجهول زمان گذشته ساده:
1-This was opposed by many people.
2-She was shown the easiest way to do it
or The easiest way to do it was shown to her.
3-Why won't the roof mended before it fell in?
مجهول زمان گذشته استمراری:
1-A cake was being made for her children.
2-a new apartment near the park was being built by them.
3- Our Old house was being painted last week.
