I often see him practices playing the piano改成被动语态

I often see him practices playing the piano改成被动语态 I saw him playing the piano变成被动语态怎么变 把I often hear him play the piano all day 改为被动语态 We can see him often play basketball on the playound.改成被动语态 he practices playing the piano every daay为什么play要加ing而 I see I made him play the piano.(变为被动语态) I often hear him sing the same song被动语态 变被动语态,I heard Jane playing the piano in her room.(*^o^*) g.I always hear him play the piano at night.(变被动语态) 将We often see him dance改为被动语态 We often see him help his classmate.改为被动语态 句子改成被动语态 do you often see a movie at home in the evening?