shall/will + have + 過去分詞
用法：將來完成時動詞主要表示在將來的某一時刻或?qū)淼哪骋粫r刻之前完成的動作，這一動作也可能繼續(xù)進行。例如：
By seven o’clock this afternoon we shall have got to Shanghai if the train keeps good line. 如果火車運行正常，我們今天下午七點就到上海了。
Before bedtime Xiao Ming will have completed his work. 到上床睡覺的時候，小明會做完他的工作(或作業(yè))。
By February next year this foreign expert will have been here on this job for five years. 到明年二月，這個外國專家在這兒做這項工作就滿五年了。
By Sept. 2008 Beijing will have held/hosted the Olympic Games. 到2008年9月，北京將舉行完了奧運會。
用法：將來完成時動詞主要表示在將來的某一時刻或?qū)淼哪骋粫r刻之前完成的動作，這一動作也可能繼續(xù)進行。例如：
By seven o’clock this afternoon we shall have got to Shanghai if the train keeps good line. 如果火車運行正常，我們今天下午七點就到上海了。
Before bedtime Xiao Ming will have completed his work. 到上床睡覺的時候，小明會做完他的工作(或作業(yè))。
By February next year this foreign expert will have been here on this job for five years. 到明年二月，這個外國專家在這兒做這項工作就滿五年了。
By Sept. 2008 Beijing will have held/hosted the Olympic Games. 到2008年9月，北京將舉行完了奧運會。