一般过去时：was/were done。一般将来时：shall/will be done。一般过去将来时：should/would be done。现在进行时：is/am/are being done。

1.一般现在时:am/is/are done

You are required to do this.

2.一般过去时：was/were done

The story was told by her.

3.一般将来时：shall/will be done

The problem will be discussed tomorrow.

4.一般过去将来时：should/would be done

He said that the trees would be planted soon.

5.现在进行时：is/am/are being done

The question is being discussed in the meeting room.

6.过去进行时：was/were being done

The new road was being made.

7.现在完成时：has/have been done

The novel has been read.

8.过去完成时：had been done

He said that the work had been finished.

9.将来完成时：shall/will have been done

The project will have been completed before July.