一般现在时 am/is/are +p.p.2.一般过去时 was/were +p.p.3.一般将来时 will/shall/be +p.p.is /am/are going to be +P.P.4.现在完成时 have/has been +p.p.5.过去完成时 had been + p.p.6.现在进行时 am/is/are bein...