Is this grammatically correct?
I guess it is caused by many of the stones are overlapping with each other.
I think be caused by should be followed by reasons, but I am not sure it could be a clause or only a phrase. And If it could be a clause, should I use be instead of are ? And finally, if yes, what's the name of this grammar?
I guess it is caused by many of the stones being overlapping with each other.