Define Future Perfect Tense.

The future perfect tense is used to describe an action that will be completed before a specific point or action in the future. It indicates that something will have been finished by a certain time.

The structure of the future perfect tense is formed using the auxiliary verb "will have" (or sometimes "shall have" in British English) followed by the past participle of the main verb.

Structure:

Subject + will/shall + have + past participle

Here are some examples:

1. She will have graduated from university next month.

2. When you return from your business trip, I will have finished writing the report.

3. The garden will have all the flowers planted by the end of the week.

4. Tomorrow evening, he will have repaired the broken fence.

5. We will have prepared all the food and drinks before the party starts.

6. I will have visited five different countries by the end of the summer.

7. She will have completed her master's degree next year.

8. The musicians will have played for three hours straight when the concert ends.

9. When the guests arrive, I will have set up the tents for camping.

10. She will have packed her bags and be ready to leave when the train arrives.

11. She will have finished her homework by 9 PM.

12. By the time you arrive, I will have cooked dinner.

13. They will have completed the project by the end of the month.