English verb conjugation
COULD SKANK

Regular verb: skank - skanked - skanked

Affirmation

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