Question

1. In front of the building was a supermarket.

2. In front of the building, was a supermarket.


3. In front of the building a supermarket was.


4. In front of the building, a supermarket was.

(Which ones are grammatical?)

Answer 1

Only 1 is correct.

Answer 2

Thank you for your help.

1. In front of the building was it.

2. In front of the building it was.

(What about these sentences? Which one is grammatical?)

Answer 3

Neither is correct.