Future perfect- probability

arthur habrá sabido que maria quemó sus cartas de amor

arthur must have known that mary burned his love letters

yo habré estado loca para comprar vitaminas por teléfono

i must have been crazy to buy vitamins over the phone

habrá sido terrible descubrir que las cucarachas eran los dueños verdaderos de su casa

it must have been terrible to discover that cockroaches were the real owners of your house

fernando me habrá enviado estas flores

fernando must have sent these flowers to me

para finales de mes habré pagado esta casa completamente

by the end of this month i will have paid for this house completely

nunca pensé que esto pasaría

i never thought that this would happen

pensé que yo o me mudaría o me moriría antes de hacer ese último cheque miserable

I though that i would either move or die before making out that last miserable check

cuando haga ese cheque

when i make out that check

de ahora en un año supongo que habré olvidado que el banco tuvo más de esta casa que yo

a year from now i suppose i will have forgotten that the bank owned more of this house than i did

habré estado loca para pensar que una hipoteca de 40 años me haría sentir como si fuera una adulta madura

i must have been crazy to think that a 40 year mortgage would make me feel as if i were a mature adult

solo me hizo sentir pobre

it only made me feel poor

quién habrá hecho tal cosa

who could have done such a thing

adónde habrán ido

where could they have gone

qué habrá pasado

what could have happened