I could numb you could numb she could numb we could numb you could numb they could numb
V-ing form
I could be numbing you could be numbing she could be numbing we could be numbing you could be numbing they could be numbing
Perfect
I could have numbed you could have numbed she could have numbed we could have numbed you could have numbed they could have numbed
V-ing perfect
I could have been numbing you could have been numbing she could have been numbing we could have been numbing you could have been numbing they could have been numbing
Negation
Simple form
I could not numb you could not numb she could not numb we could not numb you could not numb they could not numb
V-ing form
I could not be numbing you could not be numbing she could not be numbing we could not be numbing you could not be numbing they could not be numbing
Perfect
I could not have numbed you could not have numbed she could not have numbed we could not have numbed you could not have numbed they could not have numbed
V-ing perfect
I could not have been numbing you could not have been numbing she could not have been numbing we could not have been numbing you could not have been numbing they could not have been numbing
Interrogative form
Simple form
could I numb? could you numb? could she numb? could we numb? could you numb? could they numb?
V-ing form
could I be numbing? could you be numbing? could she be numbing? could we be numbing? could you be numbing? could they be numbing?
Perfect
could I have numbed? could you have numbed? could she have numbed? could we have numbed? could you have numbed? could they have numbed?
V-ing perfect
could I have been numbing? could you have been numbing? could she have been numbing? could we have been numbing? could you have been numbing? could they have been numbing?
Interro-negative form
Simple form
could I not numb? could you not numb? could she not numb? could we not numb? could you not numb? could they not numb?
V-ing form
could I not be numbing? could you not be numbing? could she not be numbing? could we not be numbing? could you not be numbing? could they not be numbing?
Perfect
could I not have numbed? could you not have numbed? could she not have numbed? could we not have numbed? could you not have numbed? could they not have numbed?
V-ing perfect
could I not have been numbing? could you not have been numbing? could she not have been numbing? could we not have been numbing? could you not have been numbing? could they not have been numbing?