将来完成时

将来完成时是这两年常考的语法点，基本结构是"will/shall + have done"，表示在将来某一时刻之前完成的动作。

例：I'll have finished my work by five this afternoon.

今天下午五点我就完成我的工作了。

The snow will have diappeared before the end of March.

雪在三月底之前就会全部消失。

往年试题：

例 (1)By next year he ______ in New York for five years.

A. has worked B. has been working C. works D. will have worked

答案：D

例(2)I _____ writing the article by the time you get back.

A. shall finish B. must have finished C. have finished D. shall have finished

答案：D