English verb conjugation
COULD SHANK

Regular verb: shank - shanked - shanked

Affirmation

Simple form	V-ing form
I could shank you could shank she could shank we could shank you could shank they could shank	I could be shanking you could be shanking she 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 she 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 she 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 she 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 she 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 she 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 she 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 she shank? could we shank? could you shank? could they shank?	could I be shanking? could you be shanking? could she 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 she 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 she 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 she 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 she 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 she 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 she have been shanking? couldn't we have been shanking? couldn't you have been shanking? couldn't they have been shanking?