
To form Future Perfect Tense:
| Type of sentence | Verb | Examples |
|---|---|---|
| Affirmative | will have + past participle | The grass will have grown by next week. |
| Negative | won’t have + past participle | Sam won’t have seen it still. |
| Interrogative | will + subject + have + past participle | Will she have taken the cake? |
For more information on past participle click here.
Use:
| To Express | Examples |
|---|---|
| An action that will be completed in the future. | We will have finished our exams by this time tomorrow. |
| Action which will be finished before another action in the future. | I will have cooked lunch before they arrive tomorrow. |
| Actions that began in past and will be completed in future. | They will have arrived at the party within an hour. |