概念：过去将来进行时表示就过去某一时间而言，将来某一时刻或某一段时间正在进行的动作。主要用于宾语从句 中，尤其多用于间接引语中。
结构：1.主语+should(would)+be+现在分词
      2.否定：主语+should(would)+not+be+现在分词
去将来进行时有一个特点，就常用在宾语从句(尤其是间接引语)中。如：

I thought you’d be sleeping.

我以为你在睡觉。

She said she would be looking after you.

她说她会照顾你的。

He didn’t know when he’d be seeing us again.

他不知道什么时候他会再见到们。

I asked her what she would be doing on Saturday.

我问她星期六干什么。

They moved to the main entrance where the car would be waiting.

他们向大门走去，那辆车会在那里等着。

1.过去将来进行时有时也可用在其他从句中，如：

The new name he would be using was Jack Jones.

他将用的新名是杰克琼斯。

He would pay the rest as he would be leaving France.

其余款项，他将在离开法国时付清。

2.过去将来进行时也可用在独立句中，如：

Jack said he had found a job. He would be working as a bartender in Detroit.

杰克说他找到了工作。他将在底特律做酒吧间伙计。

I was excited. Next Wednesday we would be flying to Sydney.

我很兴奋。下星期三我们就会飞往悉尼了。

注意：过去将来进行时都没有被动语态。