The only use of this tense is to talk about future actions that will be finished before some specified point in the future.
Pola
Positive Sentences
| Subject | + | Auxiliary verb | + | Auxiliary verb | + | Verb + ing |
| e.g. I/a dog etc. | will | have | e.g. eaten/given/gone etc. |
| Examples | ||
 | I will have retired by the end of this year. | |
| I read 40 pages a day. If I keep up the pace, I will have read the book by Tuesday. | |
Questions
| Auxiliary verb | + | Subject | + | Auxiliary verb | + | Verb + ing |
| will | e.g. I/a dog etc. | have | e.g. eaten/given/gone etc. |
| Examples | ||
| Will they have graduated from Cambridge by July 2009? | |
| Will I have retired by the end of the year? | |
| Will you have bought a new processor by the end of this week? | |
Negative Sentences
| Subject | + | Auxiliary verb + not | + | Auxiliary verb | + | Verb + ing |
| e.g. I/a dog etc. | will not | have | e.g. eaten/given/gone etc. |
| Examples | ||
| They won't have graduated from from Cambridge by July 2009. | |
| My uncle won't have retired by the end of the year. | |
Labels: Tenses
