How long have people known that the Earth is round?
How long has it been known that the Earth is round?
Residents accused a local cat of stealing their clothes.
A local cat was accused of stealing clothes (by residents).
They will launch a revolutionary new mobile phone next week.
A revolutionary new mobile phone will be launched next week.
Do people still consider e-books to be less popular than printed books?
Are e-books still considered to be less popular than printed books?
A young amateur astronomer discovered a new planet in the Milky Way.
A new planet in the Milky Way was discovered (by a young amateur astronomer).
People often quote Einstein as saying things he never actually said.
Einstein is often quoted as saying things he never actually said.
The local news reported several cases of avian flu in the area.
Several cases of avian flu were reported in the area (by the local news).
Many people saw a well-known celebrity dining alone in a restaurant last night.
A well-known celebrity was seen dining alone in a restaurant last night.