Прошедшее время для слов study, need множественное число для слов lemon, bus

he is blue and he has four arms and two legs.he isn't a very big alien.he is fat.he has green hair.

in 2100 all children won`t go to the school. they will study at home. in 2100 all people will be able to have free flight to the space. in 2100 all people will know 8 or 9 langueges. in 2100 all people will have robots.