语法总结
将来完成进行时
will have been teaching for a total of forty years 强调到未来某时点为止持续了多久。
相似句：
- By next year, she will have been living here for ten years.
- By June, they will have been working on the project for months.
after + 现在完成时表将来完成后
After he has retired, he will devote himself... 是时间从句中常见用法。
相似句：
- After she has finished, we will leave.
- He will rest after he has completed the work.
remember sb. for...
用来概括人物因为哪些品质被记住。
相似句：
- We remember her for her kindness.
- He is remembered for his courage.