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 couldn't shank you couldn't shank he couldn't shank we couldn't shank you couldn't shank they couldn't shank	I couldn't be shanking you couldn't be shanking he couldn't be shanking we couldn't be shanking you couldn't be shanking they couldn't be shanking
Perfect	V-ing perfect
I couldn't have shanked you couldn't have shanked he couldn't have shanked we couldn't have shanked you couldn't have shanked they couldn't have shanked	I couldn't have been shanking you couldn't have been shanking he couldn't have been shanking we couldn't have been shanking you couldn't have been shanking they couldn't 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
couldn't I shank? couldn't you shank? couldn't he shank? couldn't we shank? couldn't you shank? couldn't they shank?	couldn't I be shanking? couldn't you be shanking? couldn't he be shanking? couldn't we be shanking? couldn't you be shanking? couldn't they be shanking?
Perfect	V-ing perfect
couldn't I have shanked? couldn't you have shanked? couldn't he have shanked? couldn't we have shanked? couldn't you have shanked? couldn't they have shanked?	couldn't I have been shanking? couldn't you have been shanking? couldn't he have been shanking? couldn't we have been shanking? couldn't you have been shanking? couldn't they have been shanking?