It is used to tell about things which would have happened in the future
Examples
- I will have bought a car by next month
- Dad will have built a house by 2020
- We will have graduated by same time next year.
Rules for Future Perfect
Fill in the blanks with Future Perfect Tense
I ..........(earn) one million dollars by next year
View answer
I will have earned one million dollars by next year
Explanation
- For 'I' we use always 'have' in Future Perfect
She ........ (got) famous
View answer
She will have got famous
Explanation
- She is singular so we use 'will have' in Future Perfect
They .......... (finish) the assignment
View answer
They will have finished the assignment
Explanation
- They is plural so we use 'will have' in Future Perfect
The scientist ...............(create) the technology
View answer
The scientist will have created the technology
Explanation
- scientist is singular so we use 'will have' in Future Perfect