It is incorrect. The correct way would be "el pato volo a su casa"
No! it can’t be plural bro.
You can ask if you go somewhere a specific day for example voy allí el lunes which us do I go there Monday.
horizontal:camion (first row) barco (3rd row) auto(5th row) metro(2nd to last)
vertical:bicicleta(3rd column) moto(7th column)
diagonal: carro(3rd row and to the right) avion(4 to the right 5 down and to the right)
Explanation:
i only see those sorryyyyy