七、各种时态的被动语态-|||-时态 结构 例句(用clean的适当形式填空)-|||-一般现在时 am/is/are+done The classroom __ by us every day.-|||-一般过去时 was/were+done The classroom __ by us yesterday.-|||-一般将来时 shall/will+be+done The classroom __ by us next week.-|||-过去将来时 should/would+be+done The teacher said that the classroom __ by us the next day.-|||-现在进行时 am/is/are+being+done The classroom __ by us now.-|||-过去进行时 was/were+being+done The classroom __ by us at four yesterday afternoon.-|||-现在完成时 have/has+been+done The classroom __ by us.-|||-过去完成时 ln ad+becn+dene By the time our parents arrived,the classroom __ by us.-|||-含情态动词 情态动词 +be+dln ee The classroom __ by us.七、各种时态的被动语态 , 时态 结构 例句(用clean的适当形式填空) , 一般现在时 am/ilaredone Theclassroom by_us every day. , 一般过去时 waslwereldone Theclasoom byus_ yesterday. , 一般将来时 shallwill+be+done _byus next week. , 过去将来时 should/would+be+done Theteacher said that the classroom by_ us the next day, 现在进行时 am/is/are+being+done The classroom__ by us now. , 过去进行时 was/were+being+done The classroom _by us at four yesterday afternoon , 现在完成时 have/has+been+done The classroom__ , 过去完成时 had+been+done Bythe time our parents arrived, the classoom_byus, 含情态动词 情态动词+be+done The classroom by_us.