* He said that by the end of the spring term he would have been studying English for three years.
* He told me that by the end of the year he would have been living there for thirty years.
* Mr. Jackson decided to return to London next month. By that time he would have been working with us here for six years. 杰克逊先生决定下个月回伦敦。到那时他在这里就已和我们一起工作六年了。