Конечно сейчас диван это громоздкая

Конечно сейчас диван это громоздкая вещь, но может быть в будущем диван будет состоять из нескольких отдельных частей, которые можно будет отсоединить друг от друга.

Results (English) 1:

Of course now the sofa is bulky thing, but maybe in the future, the sofa will consist of several individual parts which can be detached from each other.

Results (English) 2:

Of course it is currently cumbersome thing sofa, but in the future may be a sofa will consist of several separate parts that can detach from each other.

Results (English) 3:

of course now the couch is an unwieldy thing, but maybe in the future it would consist of several individual parts which can be separable from each other.