I should refund you should refund he should refund we should refund you should refund they should refund
V-ing form
I should be refunding you should be refunding he should be refunding we should be refunding you should be refunding they should be refunding
Perfect
I should have refunded you should have refunded he should have refunded we should have refunded you should have refunded they should have refunded
V-ing perfect
I should have been refunding you should have been refunding he should have been refunding we should have been refunding you should have been refunding they should have been refunding
Negation
Simple form
I should not refund you should not refund he should not refund we should not refund you should not refund they should not refund
V-ing form
I should not be refunding you should not be refunding he should not be refunding we should not be refunding you should not be refunding they should not be refunding
Perfect
I should not have refunded you should not have refunded he should not have refunded we should not have refunded you should not have refunded they should not have refunded
V-ing perfect
I should not have been refunding you should not have been refunding he should not have been refunding we should not have been refunding you should not have been refunding they should not have been refunding
Interrogative form
Simple form
should I refund? should you refund? should he refund? should we refund? should you refund? should they refund?
V-ing form
should I be refunding? should you be refunding? should he be refunding? should we be refunding? should you be refunding? should they be refunding?
Perfect
should I have refunded? should you have refunded? should he have refunded? should we have refunded? should you have refunded? should they have refunded?
V-ing perfect
should I have been refunding? should you have been refunding? should he have been refunding? should we have been refunding? should you have been refunding? should they have been refunding?
Interro-negative form
Simple form
should I not refund? should you not refund? should he not refund? should we not refund? should you not refund? should they not refund?
V-ing form
should I not be refunding? should you not be refunding? should he not be refunding? should we not be refunding? should you not be refunding? should they not be refunding?
Perfect
should I not have refunded? should you not have refunded? should he not have refunded? should we not have refunded? should you not have refunded? should they not have refunded?
V-ing perfect
should I not have been refunding? should you not have been refunding? should he not have been refunding? should we not have been refunding? should you not have been refunding? should they not have been refunding?