sang, were singing
Los pájaros cantaban entre los árboles.
The birds were singing among the trees.
Los pájaros cantaban en el bosque.
The birds were singing in the forest.
John tocaba la guitarra y sus amigos cantaban.
John played the guitar and his friends sang.
Juan tocaba la guitarra y sus amigos cantaban.
Juan played the guitar and his friends sang.
Los pájaros cantaban en los árboles.
The birds were singing in the trees.