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