when did your father buy you the mobile phone 换为被动语态 when( )the mobile phone when( )you?

问题描述:

when did your father buy you the mobile phone 换为被动语态 when( )the mobile phone when( )you?
when ( )you 是隔开的,要两句

when did you be bought for by your father the mobile phone?
when did the mobile phone be bought by your father for you?