How many English songs (learn) by you during these years 空格处用所给词的适当形式填空,

问题描述:

How many English songs (learn) by you during these years 空格处用所给词的适当形式填空,
空格处就是 (learn)前面,简述理由,到底是用被动语态还是用完成时?

How many English songs have been learned by you during these years ?
在这些年间是一段时间,又对于现在产生影响,所以用完成时,又因为歌是被学用被动