I could loan you could loan he could loan we could loan you could loan they could loan
V-ing form
I could be loaning you could be loaning he could be loaning we could be loaning you could be loaning they could be loaning
Perfect
I could have loaned you could have loaned he could have loaned we could have loaned you could have loaned they could have loaned
V-ing perfect
I could have been loaning you could have been loaning he could have been loaning we could have been loaning you could have been loaning they could have been loaning
Negation
Simple form
I could not loan you could not loan he could not loan we could not loan you could not loan they could not loan
V-ing form
I could not be loaning you could not be loaning he could not be loaning we could not be loaning you could not be loaning they could not be loaning
Perfect
I could not have loaned you could not have loaned he could not have loaned we could not have loaned you could not have loaned they could not have loaned
V-ing perfect
I could not have been loaning you could not have been loaning he could not have been loaning we could not have been loaning you could not have been loaning they could not have been loaning
Interrogative form
Simple form
could I loan? could you loan? could he loan? could we loan? could you loan? could they loan?
V-ing form
could I be loaning? could you be loaning? could he be loaning? could we be loaning? could you be loaning? could they be loaning?
Perfect
could I have loaned? could you have loaned? could he have loaned? could we have loaned? could you have loaned? could they have loaned?
V-ing perfect
could I have been loaning? could you have been loaning? could he have been loaning? could we have been loaning? could you have been loaning? could they have been loaning?
Interro-negative form
Simple form
could I not loan? could you not loan? could he not loan? could we not loan? could you not loan? could they not loan?
V-ing form
could I not be loaning? could you not be loaning? could he not be loaning? could we not be loaning? could you not be loaning? could they not be loaning?
Perfect
could I not have loaned? could you not have loaned? could he not have loaned? could we not have loaned? could you not have loaned? could they not have loaned?
V-ing perfect
could I not have been loaning? could you not have been loaning? could he not have been loaning? could we not have been loaning? could you not have been loaning? could they not have been loaning?