| Structure of future perfect (simple) | ||
| positive | negative | question |
| The film will have started by the time we get there. | The film will not (won't) have started by the time we get there. | Will the film have started by the time we get there? |
| Future perfect simple - common mistakes | ||
| Common mistakes | Correct version | Why? |
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The film will already have started by the time we get home. |
The form of the future perfect is will + have + past participle. |
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Will you have finished it by the time I come back? | See word order and the form of the question above. |