将来完成进行时

型态

将来完成进行时是以两个要素组成:
Be 动词的将来完成时 (will have been) + 主要动词的现在分词(动词原型 + ing)

主词 + will have been + 现在分词
He will have been playing.
I will have been playing.
将来完成进行时,以 to live 为例
肯定句 否定句 疑问句 否定疑问句
I will have been living I won't have been living Will I have been living? Won't I have been living?
You will have been living You won't have been living Will you have been living? Won't you have been living?
He will have been living He won't have been living Will he have been living? Won't he have been living?
We will have been living We won't have been living Will we have been living? Won't we have been living?
They will have been living They won't have been living Will they have been living? Won't they have been living?

作用

就如将来完成时,此时态表达对未来的期待,并反观未来某时间会完成的事。它涉及现在和未来之间未完成的持续性动作。通常会与时间词一起使用。

举例
  • I will have been waiting here for three hours by six o'clock.
  • By 2001 I will have been living in London for sixteen years.
  • When I finish this course, I will have been learning English for twenty years.
  • Next year I will have been working here for four years.
  • When I come at 6:00, will you have been practicing long?