we love china the boys saw the shief t bought a bok yesterday he catch the bird 被动语态要怎么变?

问题描述:

we love china the boys saw the shief t bought a bok yesterday he catch the bird 被动语态要怎么变?
1.we love china 2.the boys saw the shief 3 i bought a bok yesterday 4he catch the bird 这些被动语态怎么变?

china is loved by us
A shieft was seen to buy a book by boys yesterday
The bird was caught by him