2017英语专八语法精析：将来完成时主要用法归纳

­　　2017英语专八语法精析：将来完成时主要用法归纳

­　　1. 表示将来完成

­　　即表示到将来某个时间为止势必会完成或预计要完成的动作。如：

­　　Maybe by then you will have changed your mind. 也许到时候你已经改变主意了。

­　　“You"ll have finished by tomorrow.” “I wish!” “你到明天就完成了。”“但愿如此! ”

­　　I hope I"ll have finished the work by the end of the month. 我希望我这个月底能完成工作。

­　　Demand for cars in the developed world will have reached saturation point within 20 years. 不出20年，已发展国家的汽车需求将达到饱和。

­　　Planning so far ahead makes no sense—so many things will have changed by next year. 提前这么久就计划并不明智——到明年，许多事情都会发生变化。

­　　2. 表示动词的持续

­　　即表示某种状况将一直持续到说话人所提及某一将来时间。如：

­　　We will have been married a year on June 25th 到6月25日我们俩结婚就满1年了。

­　　By this time next week, I will have worked for this company for 24 years. 到下星期此刻，我已经为该公司干了24年了。

­　　3. 表示推测

­　　即表示根据某情况作出的推测。如：

­　　That will have been Roland. He said he"d be back at 7. 准是罗兰，他说他7点钟回来。

­　　There will have been a definite result before Friday. 星期五以前将肯定会有结果。