被动语态的基本结构为be+done(Be动词+动词过去分词):
一般现在时:am/is/are+done.
一般过去时:was/were+done.
一般将来时:will+be+done.
现在进行时:am/is/are+being+done.
过去进行时:was/were+being+done.
现在完成时:have/has+been+done.
过去完成时:had+been+done.
2021-07-28
被动语态的基本结构为be+done(Be动词+动词过去分词):
一般现在时:am/is/are+done.
一般过去时:was/were+done.
一般将来时:will+be+done.
现在进行时:am/is/are+being+done.
过去进行时:was/were+being+done.
现在完成时:have/has+been+done.
过去完成时:had+been+done.