求几个被动语态的句子一般现在时\一般过去时\现在进行时\过去进行时\过去将来时\一般将来时\现在完成时\过去完成时\情态
求几个被动语态的句子
一般现在时一般过去时现在进行时过去进行时过去将来时一般将来时现在完成时过去完成时情态动词
句行:1.am/is/are+pp.
2.had been+pp.
3.was/were+pp.
4.am/is/are+being+pp.
5.was/were+being+pp.
6.must have been+pp.
may
can
might }be + pp.
could
7.have/has +been + pp.
8.will + be + pp.
9.to + be + pp.