（原创文章，转载请注明来源“秀哈英语”） 时态含义
表示动作从某一时间开始一直延续到将来某一时间，是否继续下去，应视上下文而定。
例句
By the end of next month, the project will have been being worked for 3 years.
到下个月底为止，这项工程就已经不停地进行了3年了。
句式will have been doing
1、主语第一人称
（单数）
I will have been doing....
（复数）
We will have been doing....
2、主语第二人称
（单、复数）
You will have been doing....
3、主语第三人称
（单数）
She will have been doing....
He will have been doing....
Lily will have been doing....
Tom will have been doing....
My mom will have been doing....
Your uncle will have been doing....
It will have been doing....
The dog will have been doing....
（复数）
They will have been doing....
