was to be done是什么时态

是将来时的被动语态。

一般现在时主语+be（is/am/are）+过去分词+其它；

一般过去时主语+be（was/were）+过去分词+其它；

一般将来时主语+will+ be(不变形) +过去分词+其它；

现在进行时主语+be(is/am/are)+being+过去分词+其它。

例句

1、There was additional work to be done before all the troops would be ready.

在全军准备就绪之前，还有一些杂事必须处理。

2、There was so much to be done.

有很多事情要做

3、It was to be done broadly as planned.

它基本上将按计划完成。

4、The reason why all this was to be done by him alone, was such as I have given above.

至于这些钱为什么得由他一个人付，我已经在上面说明理由。

5、There was nothing to be done, apparently.

显而易见，没什么事给人做。

6、Til they checked her over said there was nothing to be done.

直到他们做了彻底检查并表示无能为力。