一个英语句型转换Make full of use of every minute to study our lesson

一个英语句型转换
Make full of use of every minute to study our lessons well.
被动语态不是这样吗?
Every minute is made full of use of to study our lessons well.
为什么许多人都是这样改的：
Every minute should be made full of use of to study our lessons well. 加了一个 should ? 不明白
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