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: I heard by July you’d have been teaching here for ten years. 我听说到七月份,你就在这里教了10年书了。
第2个回答 2020-07-07
虚拟语气中的过去将来完成进行时。如: At the time of the accident I was sitting in the back of the car,because Tom’s little boy was sitting beside him in front. If Tom’s boy had not been there I would have been sitting in front. 事故发生的时候,我坐在车子的后座,因为汤姆的小儿子坐在前边他的身旁。要是汤姆的孩子没坐在那里的话,我就会坐在前面了。