Future perfect L-9, EP-38.

I am sure they​ (a)   the new road by June. (complete)

• will have completed
• will complete
• will has completes
• will have completing

He says that before he leaves he​ (a)   every show in town. (see)

• will have seen
• will has seen
• will sees
• will have seeing

If you don’t make a note of that appointment, you​ (a)   it. (forget)

• will have forgatten
• will have forgot
• will have forgets
• will have forgetting

By this time next month, all the roses​ (a)   (die)

• will have died.
• will have dies
• will have dying
• will be dying

By January first, all our work for the year​ (a)   been​ (b)   and our report​ (c)   been​ (d)   in. (finish - turn)

• will have
• finished
• turned
• has
• finishing
• turns

By the time you arrive, I​ (a)   reading your book. (finish)

• will have finished
• will have finishes
• will have finishing
• will finish

I​ (a)   in this country for two years on January 12. (be)

• will have been
• will have being
• will has been
• will be

By this time next year, you​ (a)   all your present troubles. (forget)

• will have forgatten
• will have forgots
• will have forgets
• will have forgot
• will have forgetting

A century from now, wars, I hope,​ (a)   a thing of the past. (become)

• will have become
• will have became
• will have becomes
• will have becoming

Perhaps by that time, we​ (a)   that it is better to cooperate than to fight. (learn)

• will have learned
• will have learns
• will has learned
• will have learning