I could refund you could refund he could refund we could refund you could refund they could refund
Forme en V-ing
I could be refunding you could be refunding he could be refunding we could be refunding you could be refunding they could be refunding
Perfect
I could have refunded you could have refunded he could have refunded we could have refunded you could have refunded they could have refunded
Perfect en V-ing
I could have been refunding you could have been refunding he could have been refunding we could have been refunding you could have been refunding they could have been refunding
Négation
Forme simple
I could not refund you could not refund he could not refund we could not refund you could not refund they could not refund
Forme en V-ing
I could not be refunding you could not be refunding he could not be refunding we could not be refunding you could not be refunding they could not be refunding
Perfect
I could not have refunded you could not have refunded he could not have refunded we could not have refunded you could not have refunded they could not have refunded
Perfect en V-ing
I could not have been refunding you could not have been refunding he could not have been refunding we could not have been refunding you could not have been refunding they could not have been refunding
Forme interrogative
Forme simple
could I refund? could you refund? could he refund? could we refund? could you refund? could they refund?
Forme en V-ing
could I be refunding? could you be refunding? could he be refunding? could we be refunding? could you be refunding? could they be refunding?
Perfect
could I have refunded? could you have refunded? could he have refunded? could we have refunded? could you have refunded? could they have refunded?
Perfect en V-ing
could I have been refunding? could you have been refunding? could he have been refunding? could we have been refunding? could you have been refunding? could they have been refunding?
Forme interro-négative
Forme simple
could I not refund? could you not refund? could he not refund? could we not refund? could you not refund? could they not refund?
Forme en V-ing
could I not be refunding? could you not be refunding? could he not be refunding? could we not be refunding? could you not be refunding? could they not be refunding?
Perfect
could I not have refunded? could you not have refunded? could he not have refunded? could we not have refunded? could you not have refunded? could they not have refunded?
Perfect en V-ing
could I not have been refunding? could you not have been refunding? could he not have been refunding? could we not have been refunding? could you not have been refunding? could they not have been refunding?