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The Thompsons will move to a new flat when their baby is born.孩子出生以后,汤普森一家将搬到一套新的公寓去住。
By this time next week, I will have been working for this firm for twenty years.到下星期此刻,我就已经为这家公司工作了20年了。(将来完成进行时通常要和某个时间状语连用,这个状语往往表示“到/截止……时候”)
Firemen had been fighting the forest fire for nearly three weeks before they could get it under control.消防队员们同那场森林大火搏斗了将近三个星期才最后把火势控制住。(过去完成进行时与将来完成进行时一样,也要有时间状语;它们都强调动作的持续性)
If I had worked harder at school, I'd have got a better job.要是我上学时勤奋一些,我就会有较好的工作了。(第3 类条件句表示与事实相反的虚拟语气)
We should/ought to arrest him, but we shall let him off this time.我们应该逮捕它,但这次我们饶了它。
He should have known that the police would never allow this sort of thing.他本该知道警察绝不会允许这类事情发生。(should have 过去分词表示过去应该做或完成而没有做的事)
The French authorities had the plane packaged and moved in parts back to France.法国政府让人把飞机包装起来,一部分一部分地搬回法国。(have 名词/宾格代词 过去分词表示让别人为自己做某事)