Как перевести предложение: чья это книга? - это ваша книга.

Whose book is this? - this is your book.

Experiment- experimental - experimental dance cognition - cognitional - cognitional theory develop - developing - developing country engineer - engineering - engineering degree industry - industrial - industrial electronics educate - educational - educational system clinics - clinical - clinical depression environment - environmental - environmental program biology - biological - biological research behave - behavioral - behavioral interview norm - normal - normal people flex - flexible - flexible course intellect - intellectual - intellectual conversation evolution - evolutional - evolutional process

It had been snowing for 4 hours eton had been working for 20 years before he retired mike had been living there for a tonight they had been studying german for 5 years before they went to berlin the authors had been working on the novel for 2 years before the sent it to a publisher pele had been playing football for 6 years the students had been listening attentively to the dialog for an hour the children had been walking for 2 hours.. (вместо точек просто продолжение предложения без изменений)