Can you be more specific about the question your asking? Maybe I can help since I’m taking Spanish class
Juan le compra flores
El mesero me da los menús
Ellos te dan una propina
So, "Ellos" means "they"
Podemos- we can
Pudieron- could
Pueden- may
Pudo- could
If you think about it it's not "Podemos" or "Pudo"
But, i could be wrong. "Podemos" does not make any sense.
So, that means is "Pueden".
Ellos Pueden. (they may)
Your answer is PUEDEN!
:) i hoped this helped