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It was founded(建立) in the UK in 1961.
Many patients are operated on on the plane.
The plane is also used as a training center.
It was set up in 1946.
It was founded(建立) in the UK in 1961.
be + v. (Past participle 过去分词)
am/is/are + v. (p.p.)
was/were + v. (p.p.)
It is obvious who performs the action.
We do not know or do not… who performs the action.
It uses a plane to visit poor areas.
It helps everyone.
Peter Scott designed the famous panda logo.
It provides basic education for children in poor areas.
A plane
Everyone
The famous panda logo was designed by Peter Scott.
Basic education is provided for children in poor areas.
We can use “by” to introduce action performer.
is used
(by it)
to visit poor areas.
is helped.
A plane to visit poor areas.
Many patients on the plane.
The plane as a training center.
It in the UK in 1961.
The famous panda logo … by Peter Scott.
It in 1946.
Everyone … , especially children.