The Future Perfect Tense

The future perfect tense is used for actions that have not happened yet, but will have been finished by a time in the future.

To make it:
((time) +) will have + p.p.
or
will have + p.p. (+ (time))

((time) + is going to + p.p.
or
is going to + p.p. (+ (time))

– example

By this time tomorrow, every child in the country will have taken the exam.

The Passive Voice

To make the passive voice:
be (in correct tense) + p.p.

For the future perfect tense, this is:
((time) + ) will have been + p.p.
or
will have been + p.p. (+ (time))

– example

By this time tomorrow, the exam will have been taken by every child in the country.

Examples of the future perfect tense in the passive voice

(active) By this time next week they will have finished the road
(passive) By this time next week, the road will have been finished

(active) By the end of the year the company is going to have made its first $1m
(passive) By the end of the year, the first $1m is going to have been made by the company.

Exercises

1. Change these sentences into the passive voice:
(i) The painter is going to have finished his painting by this evening.
(ii) We expect the astronauts to have fixed the problem by 16 00 hours.
(iii) The newspapers say a shipping magnate will have bought the team by the end of the week.

2. Change these sentences out of the passive voice:
(i) All the furniture is going to have been moved by the weekend.
(ii) If they work all day, the job will be finished by this evening.
(iii) At the current rate, $4 billion will have been spent on this project come October.