What is the emphatic adjective of BAD. (Make a sentence with it)

This place wasn´t excellent before, but now it is outstanding

This place weren´t excellent before, but now it is outstanding.

This place isn´t excellent before, but now it is outstanding.

This place aren´t excellent before, but now it is out standing

What is the correct sentence

This city are fascinating, it has many places to visit.

This city was fascinating, it had many places to visit.

This city weren´t fascinating, it has many places to visit.

This beach weren´t big before, but now it´s huge.

This beach wasn´t big before, but now it´s huge.

This beach isn´t big before, but now it was huge.