1English is taught in our school.
teachers teach english in our school.
2.the building was built in 1878.
they built the building in 1878.
3.a road is being built in front of our school.
the workers are building a road in front of our school.
4.a new bike will be bought for me by my father.
my father will buy a new bike for me.
5.he was given a book by her.或
a book was given to him by her.
she gave him a book.