У нас были очень плохие места; если

У нас были очень плохие места; если бы акустика в этом зале не была такой хорошей, мы бы ничего не услышали.

Results (English) 1:

We had a very bad place; If the acoustics in this room has never been so good, we would not have heard anything.

Results (English) 2:

We had a very bad place; if the acoustics in the room was not so good, we have heard nothing.

Results (English) 3:

We had a very bad place; if the acoustics in this room had not been such a good, we would have heard nothing.