English verb conjugation
COULD SKANK

Regular verb: skank - skanked - skanked

Affirmation

Simple form	V-ing form
I could skank you could skank he could skank we could skank you could skank they could skank	I could be skanking you could be skanking he could be skanking we could be skanking you could be skanking they could be skanking
Perfect	V-ing perfect
I could have skanked you could have skanked he could have skanked we could have skanked you could have skanked they could have skanked	I could have been skanking you could have been skanking he could have been skanking we could have been skanking you could have been skanking they could have been skanking

Negation

Simple form	V-ing form
I couldn't skank you couldn't skank he couldn't skank we couldn't skank you couldn't skank they couldn't skank	I couldn't be skanking you couldn't be skanking he couldn't be skanking we couldn't be skanking you couldn't be skanking they couldn't be skanking
Perfect	V-ing perfect
I couldn't have skanked you couldn't have skanked he couldn't have skanked we couldn't have skanked you couldn't have skanked they couldn't have skanked	I couldn't have been skanking you couldn't have been skanking he couldn't have been skanking we couldn't have been skanking you couldn't have been skanking they couldn't have been skanking

Interrogative form

Simple form	V-ing form
could I skank? could you skank? could he skank? could we skank? could you skank? could they skank?	could I be skanking? could you be skanking? could he be skanking? could we be skanking? could you be skanking? could they be skanking?
Perfect	V-ing perfect
could I have skanked? could you have skanked? could he have skanked? could we have skanked? could you have skanked? could they have skanked?	could I have been skanking? could you have been skanking? could he have been skanking? could we have been skanking? could you have been skanking? could they have been skanking?

Interro-negative form

Simple form	V-ing form
couldn't I skank? couldn't you skank? couldn't he skank? couldn't we skank? couldn't you skank? couldn't they skank?	couldn't I be skanking? couldn't you be skanking? couldn't he be skanking? couldn't we be skanking? couldn't you be skanking? couldn't they be skanking?
Perfect	V-ing perfect
couldn't I have skanked? couldn't you have skanked? couldn't he have skanked? couldn't we have skanked? couldn't you have skanked? couldn't they have skanked?	couldn't I have been skanking? couldn't you have been skanking? couldn't he have been skanking? couldn't we have been skanking? couldn't you have been skanking? couldn't they have been skanking?