Translation:Ellos están en el parque ahora.
Why can't I say "Ellos son" for "they are"
For where you are or how you feel you use estar.
Ellos estan al parque. It is correct
Cant you use "a la" or "al" for at the park
park - el parque is masculine.
A la would be for a feminine noun and to the...
This is ...at the.. en el...