Futuro Continuo

They will be leaving tomorrow / Ellos saldrán mañana
I will be lying on the beach tomorrow. (Estaré descansando en la playa mañana)
We will be arriving at 5.30. (Estaremos llegando a las 17.30)
Marcela will be meeting us there. (Marcela nos estará esperando allí)

Futuro Perfecto

You are going to have been waiting for more than two hours when her plane finally arrives. 

They will have been talking for over an hour by the time Thomas arrives. 

We are going to have been driving for over three days straight when we get to Anchorage. 

She is going to have been working at that company for three years when it finally closes. 

James will have been teaching at the university for more than a year by the time he leaves for Asia.