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future perfect

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  • 50 years time + build a city in the moon
    in 50 years time, we will/won't have built a city in the moon because...
  • 20 years time + give up using petrol for fuel
    In 20 years time, we will/won't have given up using petrol for fuel because...
  • in 50 years time + destroy 50% of rainforest
    in 50 years time, we will/won't have destroyed 50% of the rainforest because...
  • 100 years time + save Sumatran Tiger from extinction
    in 100 years time, we will/won't have saved Sumatran tiger from extinction because...
  • 100 years time + invent teleportation
    in 100 years time, we will have invented teleportation because...
  • 10 years time + football(soccer) is the most famous sport in the world
    in 10 years time, football will/won't have been the most famous sport in the world because...
  • 100 years time + create a lot of new fruits and vegetable
    in 100 years tie, we will/won't have created a lot of new fruit and vegetables because...
  • 10 years time + you have a car
    in 10 years time, I will/won't have had a car because...
  • 20 years time + you get a pet
    in 20 years time, I will/won't have gotten a pet because...
  • 20 years time + you visit your dream destination
    in 20 years time, i will have visited my dream destination, which is ___, because....
  • 10 years time + you still be with your best friend
    in 10 years time, I will/won't have been still with my best friend because...
  • 10 years time + our country's capital city be moved
    in 10 years time, our capital city will/won't have been moved because...
  • 50 years time + invent artificial eyes
    in 50 years time, we will/won't have invented artificial eyes because...
  • 100 years time + invent a new sport
    in 100 years time, we will/won't have invented a new sports (if yes, what is it look like? if not, why?)
  • 10 years time + you move out from your parent's house
    in 10 years time, I will/won't have moved from my parents house because...
  • 5 years time + new avenger movie come out
    in 5 years time, a new avengers movie will/won't have came out because...
  • 5 years time + KPOP be more/less famous than (as famous as) now because...
    in 5 years time, KPOP will have been more/less famous than (as famous as) now because...
  • 100 years time + discover cure for cancer
    1in 100 years time, we will/won't have discovered cure for cancer because...
  • 100 years time + build a colony in mars
    in 100 years time, we will/won't have built a colony in mars because...
  • 80 years time + cure malaria
    in 80 years time, we will/won't have cured malaria because...
  • 10 years time + a new genre of music comes out
    in 10 years time, a new genre of music will/won't have come out because...
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