一般过去将来时：表示从过去的某一时间来看将来要发生的动作或存在的状态。过去将来时常用于宾语从句和间接引语中。 一般过去将来时的出发点是过去，即从过去某一时刻看以后要发生的动作或状态。
构成：一般过去将来时是由"should / would + 动词原形"构成的。(一般过去将来时常用于间接引语中)
肯定句：主语+be(was，were)going to+动词原形.
否定句：主语+be(was，were)not going to+动词原形.
疑问句：Be(Was，Were)+主语+going to+动词原形?
肯定句：主语+would(should)+动词原形.
否定句：主语+would(should)not+动词原形.
疑问句：Would(Should)+主语+动词原形?
例如：
1. He asked me yesterday when I should leave for Paris.(昨天他问我什么时候动身去巴黎。)
2. They wanted to know how they would finish the homework earlier.(他们想知道怎样才能早一点儿完成家庭作业。)
基本用法：
一般过去将来时可用来表示非真实的动作或状态：If I had a chance to study abroad, I would study at Cambridge University.(如果我有机会出国学习的话，我就会去剑桥大学。)
其他表达法：
1. was/were going to + 动词原形：He said that he was going to live in the country when he retired.(他说他退休后要住在农村。)
2. was/were + 动词-ing形式：Nobody knew whether the guests were coming.(没人知道客人们是否要来。)
3. was/were + 动词不定式：She said she was to clean the classroom after school.(她说她放学后要打扫教室。)
