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过去进行时的被动语态：
承受者+be{was/were｝being（现在分词）done by+执行者（不明确可省略）。
E.g. ：主动：He was majoring computer during his college.
被动：Computer was being majored by him during his college.
将来时的被动语态：
承受者+{be going to/will/shall（be动词原形）/be to｝be done by+执行者（不明确时可省略）。
E.g.：A big supermarket will/shall/be to be built here next year.
Note ：be to ：计划或安排好的动作或行为。
E.g.：The flight is to leave for Hefei city.
现在完成时的被动语态：
承受者+have（复数主语）/has been done by+执行者（不明确可省略）
E.g. ：主动：Our School has finished many scientific researches.
被动：Many scientific researches have been finished by our school.
将来时态的被动语态：
承受者+{be going to/will/shall/be to｝have been done by+执行者
E.g. ：主动：We‘ ll have finished the book by the end of September.
被动：The book will/shall have been finished by the end of September
Note：by the end of 短语的用法
（1） Will have done by the end of +将来时态
（2） Had done by the end of +过去完成时态
E.g. ：The project had been made by the end of last week.
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