Future Perfect Tense is used to say that an action will be completed at a particular time in the future.
Sub + will/shall + have + PPV + Obj
Example
- Rahul will have completed his PG course by next march.
- Biju will have finished the work by tomorrow.
Time Words
By tomorrow, By the time, By that time, By night, By the end of the year, By next march, By the time you come back.
- The servant will have cleaned the room by the time he returned.
- He will have finished his work by the end of the month.