将来完成时:shall(第一人称)/will(第二、三人称)+have+过去分词(done)
The Olympic Games will be held in our country in four years'time.(in 在...以后,hold 召开)
They will also be building new Olympic-standard swimming pool.(将来进行时,表示要在将来某一时间开始,并继续下去的动作。一般用延续性动词表示。基本构成:shall/will + be + 现在分词【v.ing】;句式:be going to do sth)
Workers will have completed the new roads by the end of this year.(将来完成时)
at the end of意为“在……结束时、在……的尽头”,可用以指时间或处所,强调一段时间的结束点或某段路程的终止处