将来完成时的结构:shall/will have+过去分词
将来完成时用法、定义详细讲解:
1、表示将来某时之前或某动作发生之前已经完成的动作。
例句:
I shall have finished it by next Friday.
到下周五我就把完成了。
2、表示一个持续到将来某时或某动作发生之前的动作。
例句:
By next Monday,she will have studied here for three years.
到下周一,她在这里学习就要满3年了。
3、表示对现在或将来可能已经完成动作的推测,对过去实况的推测。
He will have arrived by now.
他这是可能已经到了。
扩展资料:
过去将来完成时:
基本结构为:would + have + done(过去分词)。
过去将来完成时一般应用于以下两种情况:
1、 间接引语
例句:
He said he would have done with my camera by the end of next month.
他说到下月底就不用我的照相机了。
2、 虚拟句
例句:
But I also know that if I could somehow go back, I probably would have done the same thing.
其实我很清楚,如果给我一次重来的机会,我或许还是会做出同样的选择。