1. This house has been given a fresh coat of paint.
When was it painted?
I don’t know.
Who painted the house?
I don’t know.
(The present perfect passive voice is useful in describing something that happened in the past–but you might not know when or by whom the thing was done.)
2. This baby has been given a lot of love and care by its mother.
(You may use "it" for a baby unless you know the baby is a boy or a girl)
3. They have been assigned to work on a big project.
(In the picture, their boss–the guy wearing the tie–is telling them what to do.)
4. He has been tied up for several hours. A thief came into his house, tied him up, took his money, and left.
5. The Eiffel Tower has been visited by people from all over the world.
The present perfect passive is useful when describing something that was done in the past without a lot of information about who did it, when, how, why, etc.
