I often see him swim in the river改为被动句

I often see him swim in the river改为被动句 I saw him singing in the room.改为被动句 i hope i can swim in the river alone.(改为同义句） i hope_______ _ They can swim in the river.(改为否定句） Don't swim in the river.改为同义句 I can swim in the river 改为一般疑问句 初三英语1.I often see the boy play football in the park.(改为被动语态) I often see Tom walk his dog in the park（改为被动语态） when i __ (be)young,i often ___(swim)in the river in my home She often swims in the river.(改为否定句) the mnm boy's let will swim him not the in river怎样连词陈句? I often see him ____English books in the morning.y