module // insane indentations!
 t
 (a,b,c);
output a;
input  b,c;

/* extra comment ! */  conf  // This is an instantiation!
      #(    // with parameters
    `MY_DEF1,
    `MY_DEF2
         )
  i1
( .a(
     a
    )
  .b(
     {b,c}
    )
);
 
`include "file_with_my_task_in.v";

# this isn't an instance!
initial #(4) call_my_task(a,b,c);

endmodule