It was bought many years ago by my grandfather.这句话里面的被动语态对吗?如果不对那这句话 Mygrandfather bought the intrument many years ago.变成被动语态应该怎么写?谢谢了``````

问题描述:

It was bought many years ago by my grandfather.
这句话里面的被动语态对吗?
如果不对
那这句话 Mygrandfather bought the intrument many years ago.变成被动语态应该怎么写?
谢谢了``````

The instrument was bought by my grandfather many years ago