2014年12月英语六级16大经典时态分析:过去将来完成进行时 1.概念:表示从过去某时看至未来某时以前会一直在进行的动作。 2.基本结构:should/would + have + been +现在分词 3.例子:He told me that by the end of the year he would have been living there for thirty years. 他告诉我,到年底时,他就在那住了30年了。