I can refund you can refund he can refund we can refund you can refund they can refund
Forma com V-ing
I can be refunding you can be refunding he can be refunding we can be refunding you can be refunding they can be refunding
Perfeito
I can have refunded you can have refunded he can have refunded we can have refunded you can have refunded they can have refunded
Perfeito com V-ing
I can have been refunding you can have been refunding he can have been refunding we can have been refunding you can have been refunding they can have been refunding
Negação
Forma simple
I can't refund you can't refund he can't refund we can't refund you can't refund they can't refund
Forma com V-ing
I can't be refunding you can't be refunding he can't be refunding we can't be refunding you can't be refunding they can't be refunding
Perfeito
I can't have refunded you can't have refunded he can't have refunded we can't have refunded you can't have refunded they can't have refunded
Perfeito com V-ing
I can't have been refunding you can't have been refunding he can't have been refunding we can't have been refunding you can't have been refunding they can't have been refunding
Forma interrogativa
Forma simple
can I refund? can you refund? can he refund? can we refund? can you refund? can they refund?
Forma com V-ing
can I be refunding? can you be refunding? can he be refunding? can we be refunding? can you be refunding? can they be refunding?
Perfeito
can I have refunded? can you have refunded? can he have refunded? can we have refunded? can you have refunded? can they have refunded?
Perfeito com V-ing
can I have been refunding? can you have been refunding? can he have been refunding? can we have been refunding? can you have been refunding? can they have been refunding?
Forma interro-Negação
Forma simple
can't I refund? can't you refund? can't he refund? can't we refund? can't you refund? can't they refund?
Forma com V-ing
can't I be refunding? can't you be refunding? can't he be refunding? can't we be refunding? can't you be refunding? can't they be refunding?
Perfeito
can't I have refunded? can't you have refunded? can't he have refunded? can't we have refunded? can't you have refunded? can't they have refunded?
Perfeito com V-ing
can't I have been refunding? can't you have been refunding? can't he have been refunding? can't we have been refunding? can't you have been refunding? can't they have been refunding?