Future perfect tense

Form
Contracted forms (more)
WILL = 'LL

Example: She'll have finished = she will have finished

WILL + NOT = WON'T

Example: She won't have finished = she will not have finished
Important: The Future Perfect appears in two forms: "will" form and "going to" form which can be used interchangably.
Example: "She will have finished" means "she is going to have finished"

Declarative sentences:
Subject + Auxiliary verb + Auxiliary verb + Past participle
I/a dog etc. will have gone, seen, etc.

* They will have graduated from from Cambridge by July 2009.
* I will have retired by the end of the year.
* I read 40 pages a day. If I keep up the pace, I will have read the book by Tuesday.


Questions:

What is inversion?

Inversion involves swapping (inverting) the position of an auxiliary verb and subject in a sentence. The most common use of inversion is forming interrogative sentences (questions).

Sentence Question
Sentence Question
Earth is small compared to ther planets Is Earth small compared to other planets?
I am thirsty Am I thirsty?
My name is Is my name Mark?

If there is no auxiliary verb in the sentence, one needs to be added when you invert the word order.
Sentence Question
Sentence Question
Earth is small compared to ther planets Is Earth small compared to other planets?
I am thirsty Am I thirsty?
My name is Is my name Mark?
Andrew had problems with health Did Andrew have problems with health?
It belongs to Emma Does it belong to Emma?
She looked tired Did she look tired?

Inversion is also used in emphasizing and in conditional sentences.
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Auxiliary verb + Subject + Auxiliary verb + Past participle ?
will I/a dog etc. have gone, seen, etc.



* 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 + Auxiliary verb + Past participle
I/a dog etc. will not have gone, seen, etc.

* They won't have graduated from from Cambridge by July 2009.
* My uncle won't have retired by the end of the year.