What is the structure of the simple future perfect verb tense?

• The future perfect verb tense uses 3 kinds of verbs, 2 auxiliary verbs and 1 main verb.
• The auxiliary verb "will" always stays in the base form, and does not changes according to the subject.
• The auxiliary verb "have" always stays in the base form, and does not change form.
• The main verb uses the past participle/V3 form.
• Regular verbs (not irregular verbs) -ed is add to the end of the verb's base form.
• Irregular verbs use the past participle/V3.
• Negative Sentences - "not" is added between the auxiliary verb "Will" and the auxiliary verb "have".
• Questions - the order of the sentence is changed. The auxiliary verb "will" comes before, then the subject.

Positive Sentences

Examples:

• On Sunday I have to work late. When I get home, I will have eaten dinner.
• The test is in a week from tomorrow, I hope you will have prepared for it.
• I will have taken all of my exams a week from today.

Negative Sentences

Examples:

• On Tuesday I will leave at eight o'clock in the morning, but will not have gotten to work in time for the meeting.
• My sister is coming to visit next week. I will not have moved into my new house by then.
• Next year I will not have seen my brother for 2 years.
• In I few weeks, the plants will not have grown enough to pick the fruit.
• Next month, I will not have worked long enough to get the bonus check.

Questions

Examples:

• Will I have worked here long enough to get a bonus check?
• Will you have saved enough money to come see me next year?
• Will the car have been fixed, by the time I come home from work?
• Will the children have gone to sleep, when I call tonight?