一般過(guò)去將來(lái)時(shí)
形式：would+動(dòng)詞原形；was/were going to+動(dòng)詞原形
用于描述過(guò)去的時(shí)間點(diǎn)上對(duì)未來(lái)事件的看法和猜想。

過(guò)去將來(lái)進(jìn)行時(shí)
形式：would/should be doing
用于描述過(guò)去某個(gè)時(shí)間點(diǎn)對(duì)未來(lái)某時(shí)間正在發(fā)生的事情的猜想。

例句對(duì)比：
（1）
He said that she would have dinner with her friend tomorrow. 他說(shuō)她明天會(huì)和朋友一起吃飯。
He said that she would be having dinner with her friend at 6 tomorrow. 他說(shuō)她明天6點(diǎn)會(huì)在和朋友吃飯。

（2）
He said that he wouldn't come. 他說(shuō)他不會(huì)來(lái)。
He said that he could not come because he would be having a meeting. 他說(shuō)他不能來(lái)因?yàn)橐_會(huì)。

（3）
You told me that Jack would finish his homework. 你告訴我杰克會(huì)做完他的作業(yè)。
You told me that Jack would be doing his homework tonight. 你告訴我杰克今晚會(huì)在做作業(yè)。

（4）
I knew that she would write a letter to her boyfriend. 我知道她會(huì)給她男朋友寫信。
I knew that she would be wring a letter to her boyfriend. 我知道她正在給她男朋友寫信。

（5）
He asked me what I would do tomorrow. 他問(wèn)我明天會(huì)做什么。
He asked me what I should be doing six o'clock tomorrow. 他問(wèn)我次日六點(diǎn)將正在做什么。

同一般將來(lái)時(shí)和將來(lái)進(jìn)行時(shí)的區(qū)別一樣，一般過(guò)去將來(lái)時(shí)和過(guò)去將來(lái)進(jìn)行時(shí)的區(qū)別在于是否為持續(xù)性動(dòng)作。請(qǐng)仔細(xì)留意從句中是否有具體的時(shí)間點(diǎn)。