2、) 一般现在时 2) has /have been done 现在完成时 3) am/is /are being done 现在进行时 4) was/were done 一般过去时 5) had been done 过去完成时 6) was/were being done 过去进行时 7) shall/will be done 一般将来时 8) should/would be done 过去将来时 9) shall/will have been done 将来完成时(少用) 10) should/would have bee