被动语态 We didn't see anything in the roo被动语态 We didn't see anything in the room.变成被动语态?为什么是Nothing was not seen in the room.

被动语态 We didn't see anything in the roo被动语态 We didn't see anything in the room.变成被动语态?为什么是Nothing was not seen in the room.
被动语态 We didn't see anything in the roo
被动语态 We didn't see anything in the room.变成被动语态?为什么是Nothing was not seen in the room.

被动语态 We didn't see anything in the roo被动语态 We didn't see anything in the room.变成被动语态?为什么是Nothing was not seen in the room.
We didn't see anything in the room.变成被动语态是：
Nothing was seen in the room.