高中英语过去将来完成进行时用法详解
一、结构形式
过去完成进行时由“would have been+现在分词”构成。
二、用法归纳
过去将来完成进行时表动作从过去某一时间开始一直延续到过去将来某一时间。动作是否继续下去，由上下文决定。如：
He said that by the end of the spring term he would have been studying English for three years. 他说到了春季学期末，他就学了三年英语了。
I want you thinking of food and wine, because these last years would have been miserable for you. 我要你只想吃喝，因为最近几年你的生活够苦的。
在间接引语中，将来完成进行时通常要改为过去将来完成进行时。如：
I know by this time next week you’ll have been working here for 30 years.
→I knew by that time he would have been working there for 30 years.
She will have been teaching in this university for 20 years by this summer.
→She told me she’d have been teaching in that university for 20 years by that summer.
时态(Tense)是表示行为、动作和状态在各种时间条件下的动词形式。因此，当我们说时态结构的时候，指的`是相应时态下的动词形式。
1) 过去将来完成进行时：should have been doing , would have been doing
例：They said that by the end of the following month, the project would have been being worked for 3 years. (他们说到第二个月底为止，这项工程就已经不停地进行了3年了。)
时态(Tense)是表示行为、动作和状态在各种时间条件下的动词形式。因此，当我们说时态结构的时候，指的是相应时态下的动词形式。
2) 过去将来完成时：should have done , would have done
例：I believed by the end of that year an advanced version of that software would have been developed, but I was wrong.(我坚信到那年年底为止，那个软件的新版本将被开发出来。但是我错了。)(此句为被动语态)
时态(Tense)是表示行为、动作和状态在各种时间条件下的动词形式。因此，当我们说时态结构的时候，指的是相应时态下的动词形式。
3) 过去将来进行时：should be doing , would be doing
例：The government promised that a new highway would be being built next July.(政府承诺说第二年7月将有一条新的高速公路正在修建。)(此句的时间状语是具体的将来时间，所以最好用将来进行时。)(此句为被动语态)
时态(Tense)是表示行为、动作和状态在各种时间条件下的动词形式。因此，当我们说时态结构的时候，指的是相应时态下的动词形式。
4)过去完成进行时：had been doing
例：The old clock had been being taken apart of and fixed up again for several times by my 10-year old son before I came back home.(我回到家之前，我10岁大的儿子已经把这个旧钟表拆卸并重新组装了好几回了。)(此处强调“拆卸”和“组装”这两个过去的过去的动作一直在反复进行。)(被动语态)
时态(Tense)是表示行为、动作和状态在各种时间条件下的动词形式。因此，当我们说时态结构的时候，指的是相应时态下的动词形式。
5)将来完成进行时：shall have been doing ，will have been doing
例：By the end of next month, the project will have been being worked for 3 years. (到下个月底为止，这项工程就已经不停地进行了3年了。)(被动语态)
