I could accept you could accept he could accept we could accept you could accept they could accept
V-ing form
I could be accepting you could be accepting he could be accepting we could be accepting you could be accepting they could be accepting
Perfect
I could have accepted you could have accepted he could have accepted we could have accepted you could have accepted they could have accepted
V-ing perfect
I could have been accepting you could have been accepting he could have been accepting we could have been accepting you could have been accepting they could have been accepting
Negation
Simple form
I could not accept you could not accept he could not accept we could not accept you could not accept they could not accept
V-ing form
I could not be accepting you could not be accepting he could not be accepting we could not be accepting you could not be accepting they could not be accepting
Perfect
I could not have accepted you could not have accepted he could not have accepted we could not have accepted you could not have accepted they could not have accepted
V-ing perfect
I could not have been accepting you could not have been accepting he could not have been accepting we could not have been accepting you could not have been accepting they could not have been accepting
Interrogative form
Simple form
could I accept? could you accept? could he accept? could we accept? could you accept? could they accept?
V-ing form
could I be accepting? could you be accepting? could he be accepting? could we be accepting? could you be accepting? could they be accepting?
Perfect
could I have accepted? could you have accepted? could he have accepted? could we have accepted? could you have accepted? could they have accepted?
V-ing perfect
could I have been accepting? could you have been accepting? could he have been accepting? could we have been accepting? could you have been accepting? could they have been accepting?
Interro-negative form
Simple form
could I not accept? could you not accept? could he not accept? could we not accept? could you not accept? could they not accept?
V-ing form
could I not be accepting? could you not be accepting? could he not be accepting? could we not be accepting? could you not be accepting? could they not be accepting?
Perfect
could I not have accepted? could you not have accepted? could he not have accepted? could we not have accepted? could you not have accepted? could they not have accepted?
V-ing perfect
could I not have been accepting? could you not have been accepting? could he not have been accepting? could we not have been accepting? could you not have been accepting? could they not have been accepting?