will have been sold out 是什么语法

will have been sold out 是什么语法
will have been sold out 是什么语法

will have been sold out 是什么语法
将来完成时
用法
动词型 will/shall have +过去分词
系表型 will/shall have been + 表语
将来完成时指预见或计划将来某时刻之前已完成的动作,或已存在的状态.
A 状态完成：表示某事继续到将来某一时为止一直有的状态.
B 动作完成：表示将来某一时或另一个将来的动作之前,已经完成
的动作或一获得的经验.
You will have reached Shanghai by this time tomorrow.
明天早上这个时候你就到上海了.
You will have finished this grammar book by the end of this semester.
到本学期末你们就已学完这本语法了．
C 在以if,unless,when,before,after,as soon as等连
词引起的状语从句中,通常都以现在完成时代替这个时态：
I intend to go to college after I have completed my highschool course．
You will like the book after you have read it．

将来完成时的被动语态
意思是某东西将要售完
主动语态是they will have sold out this goods
改成被动语态就是this goods will have been sold out.

可能已经被卖出了

将来完成时

将来完成时态，被动语态。