被动语态一、被动语态的时态及结构(以动词do为例)结构:主语 + be + Vpp(过去分词)时态:1. 一般现在时: am (is, are) done.2.现在进行时: am (is, are) being done3. 一般将来时: will (shall) be done 4. 一般过去时: was (were) done 5. 带情态动词的被动语态:must (can, may, should, need, would) be done6. 现在完成时: have (has) been done 1. do 2. is/am/are+ doing 3. will + dobe + Vpp be + Vpp be + Vpp is/am/are + done is/am/are + being +Vpp will be +Vpp4. did