Future perfect simple
The future perfect is used to describe an event that will be finished by a particular time in the future.
Form of the future perfect simple:
| will | have | past participle |
|---|
| Affirmative | Negative | Interrogative |
|---|---|---|
I will / 'll have finished. | I will not / won't have finished. | will you have finished? |
NOTE:
I will have finished = I'll have finished |
I will not have finished = I won't have finished |
- I will have finished my English homework by the time my mother arrives.
- Will you have finished your English homework by the time your mother arrives?
Use of the simple future simple:
The Future Perfect shows that something will occur before:
- another action occurs in the future
- or before a specific time in the future.
Examples:
- By the end of this weekend, I will have revised my lessons.
- By the time her husband arrives home, she will have prepared dinner.
- I won't have finished this task by the end of June