will/shall have done是什麼時態[朗讀]

will/shall have done是一般將來時完成時。
例句：
im afraid they will have done so by now
我擔心他們現在已經那樣做了。
or maybe you can,and already will have done so
也許你可以，而且已經將要聽到了。
擴展資料。
we will have done the job ahead of time if it doesn't rain
如果不下雨，我們定能提前完成這項工作。
most of us will have done this at some point,many of us still do
我們很多人都在某些情況下這麼做過，很多人仍然在做。
even if they prevail,however,mr perez's bill will have done some good
然而，即便他們獲得了勝利，佩雷斯的法案仍將帶來一些益處。