所有句型的被动语态一般现在时,一般过去时,一般将来时,现在完成时,过去完成时,过去将来时,过去进行时.以上时态需要全部造

The classroom is cleaned every day.一般现在时
The classroom was cleaned every day.一般过去时
The classroom will be cleaned every day.一般将来时
The classroom has been cleaned every day.现在完成时
The classroom had been cleaned every day.过去完成时
The classroom would be cleaned every day.过去将来时
The classroom was being cleaned every day.过去进行时