English verb conjugation
COULD NUMB

Regular verb: numb - numbed - numbed

Affirmation

Simple form	V-ing form
I could numb you could numb he could numb we could numb you could numb they could numb	I could be numbing you could be numbing he could be numbing we could be numbing you could be numbing they could be numbing
Perfect	V-ing perfect
I could have numbed you could have numbed he could have numbed we could have numbed you could have numbed they could have numbed	I could have been numbing you could have been numbing he could have been numbing we could have been numbing you could have been numbing they could have been numbing

Negation

Simple form	V-ing form
I couldn't numb you couldn't numb he couldn't numb we couldn't numb you couldn't numb they couldn't numb	I couldn't be numbing you couldn't be numbing he couldn't be numbing we couldn't be numbing you couldn't be numbing they couldn't be numbing
Perfect	V-ing perfect
I couldn't have numbed you couldn't have numbed he couldn't have numbed we couldn't have numbed you couldn't have numbed they couldn't have numbed	I couldn't have been numbing you couldn't have been numbing he couldn't have been numbing we couldn't have been numbing you couldn't have been numbing they couldn't have been numbing

Interrogative form

Simple form	V-ing form
could I numb? could you numb? could he numb? could we numb? could you numb? could they numb?	could I be numbing? could you be numbing? could he be numbing? could we be numbing? could you be numbing? could they be numbing?
Perfect	V-ing perfect
could I have numbed? could you have numbed? could he have numbed? could we have numbed? could you have numbed? could they have numbed?	could I have been numbing? could you have been numbing? could he have been numbing? could we have been numbing? could you have been numbing? could they have been numbing?

Interro-negative form

Simple form	V-ing form
couldn't I numb? couldn't you numb? couldn't he numb? couldn't we numb? couldn't you numb? couldn't they numb?	couldn't I be numbing? couldn't you be numbing? couldn't he be numbing? couldn't we be numbing? couldn't you be numbing? couldn't they be numbing?
Perfect	V-ing perfect
couldn't I have numbed? couldn't you have numbed? couldn't he have numbed? couldn't we have numbed? couldn't you have numbed? couldn't they have numbed?	couldn't I have been numbing? couldn't you have been numbing? couldn't he have been numbing? couldn't we have been numbing? couldn't you have been numbing? couldn't they have been numbing?