English verb conjugation
COULD SHANK

Regular verb: shank - shanked - shanked

Affirmation

Simple form	V-ing form
I could shank you could shank he could shank we could shank you could shank they could shank	I could be shanking you could be shanking he could be shanking we could be shanking you could be shanking they could be shanking
Perfect	V-ing perfect
I could have shanked you could have shanked he could have shanked we could have shanked you could have shanked they could have shanked	I could have been shanking you could have been shanking he could have been shanking we could have been shanking you could have been shanking they could have been shanking

Negation

Simple form	V-ing form
I could not shank you could not shank he could not shank we could not shank you could not shank they could not shank	I could not be shanking you could not be shanking he could not be shanking we could not be shanking you could not be shanking they could not be shanking
Perfect	V-ing perfect
I could not have shanked you could not have shanked he could not have shanked we could not have shanked you could not have shanked they could not have shanked	I could not have been shanking you could not have been shanking he could not have been shanking we could not have been shanking you could not have been shanking they could not have been shanking

Interrogative form

Simple form	V-ing form
could I shank? could you shank? could he shank? could we shank? could you shank? could they shank?	could I be shanking? could you be shanking? could he be shanking? could we be shanking? could you be shanking? could they be shanking?
Perfect	V-ing perfect
could I have shanked? could you have shanked? could he have shanked? could we have shanked? could you have shanked? could they have shanked?	could I have been shanking? could you have been shanking? could he have been shanking? could we have been shanking? could you have been shanking? could they have been shanking?

Interro-negative form

Simple form	V-ing form
could I not shank? could you not shank? could he not shank? could we not shank? could you not shank? could they not shank?	could I not be shanking? could you not be shanking? could he not be shanking? could we not be shanking? could you not be shanking? could they not be shanking?
Perfect	V-ing perfect
could I not have shanked? could you not have shanked? could he not have shanked? could we not have shanked? could you not have shanked? could they not have shanked?	could I not have been shanking? could you not have been shanking? could he not have been shanking? could we not have been shanking? could you not have been shanking? could they not have been shanking?