Tenses Questions
The future perfect tense is used to describe an action that will be completed before a specific point in the future. It is formed by using "will have + past participle." For example, "By the time she arrives, I will have finished my work."
On the other hand, the future perfect continuous tense is used to describe an ongoing action that will be completed before a specific point in the future. It is formed by using "will have been + present participle." For example, "By the time she arrives, I will have been working for six hours."
In summary, the future perfect tense focuses on the completion of an action in the future, while the future perfect continuous tense emphasizes the ongoing nature of the action leading up to that point.