will/shall have done是什么时态[朗读]

will/shall have done是一般将来时完成时。
例句：
im afraid they will have done so by now
我担心他们现在已经那样做了。
or maybe you can,and already will have done so
也许你可以，而且已经将要听到了。
扩展资料。
we will have done the job ahead of time if it doesn't rain
如果不下雨，我们定能提前完成这项工作。
most of us will have done this at some point,many of us still do
我们很多人都在某些情况下这么做过，很多人仍然在做。
even if they prevail,however,mr perez's bill will have done some good
然而，即便他们获得了胜利，佩雷斯的法案仍将带来一些益处。