编者按：将来完成时，表示预见或者计划将来某个时刻之前已经完成的动作，或者已经存在的状态。下面小编就来带你一起学习下将来完成时的用法，希望对大家有帮助。

将来完成时以温暖为题的作文

动词型will(shall) have+过去分词

系表型will(shall) have been+表语

例如：

We will have left here when you get here at tomorrow morning.

当你们明天上午点到达这里时我们已经离开这里了。

You will have finished this grammar book by the end of this semester.

到本学期末你们就已经学完这本语法书了。

By the end of this year, I will have collected , stamps.

到今年底我就会收集张邮票了。

The lights will have been off for two hours when the electrician arrives here.

当电工到达这里时，电灯已经来了两小时了。

模仿练习：

.当你到达火车站时，火车已经开车了。

.到下个月末我将已经学了英语单词了。

.到今年底他们就已经建好座大桥了。

.当你回到学校时，大门已经关了小时。

参考答案：

.The train will have left when you get the station.

.By the end of next month, I will have learned, English words.

.They will have built ten bridges by the end of this year.

.The gate will have been closed for one hour 450字作文 when you return the school.

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