To being done with exams怎么翻译啊

To be done being done to being done 与 being done 区别 what is being done to the clavichord?翻译哈 with后面什么时候用to be done 什么时候用being done with sth. done 和 with sth. being done有什么区别啊 to be done还是being done? to be done、being done 和have been done 有什么区别啊~ he tried to learn what could usefully be done with them.怎么翻译 I can't imagine ___ that with then.A do B to do C being done being done,have been done和having done怎么分辨 To.have.been.done应该怎么翻译 what was to be done?怎么翻译