English verb conjugation
COULD SKIN-POP

Regular verb: skin-pop - skin-poped - skin-poped

Affirmation

Simple form	V-ing form
I could skin-pop you could skin-pop he could skin-pop we could skin-pop you could skin-pop they could skin-pop	I could be skin-poping you could be skin-poping he could be skin-poping we could be skin-poping you could be skin-poping they could be skin-poping
Perfect	V-ing perfect
I could have skin-poped you could have skin-poped he could have skin-poped we could have skin-poped you could have skin-poped they could have skin-poped	I could have been skin-poping you could have been skin-poping he could have been skin-poping we could have been skin-poping you could have been skin-poping they could have been skin-poping

Negation

Simple form	V-ing form
I couldn't skin-pop you couldn't skin-pop he couldn't skin-pop we couldn't skin-pop you couldn't skin-pop they couldn't skin-pop	I couldn't be skin-poping you couldn't be skin-poping he couldn't be skin-poping we couldn't be skin-poping you couldn't be skin-poping they couldn't be skin-poping
Perfect	V-ing perfect
I couldn't have skin-poped you couldn't have skin-poped he couldn't have skin-poped we couldn't have skin-poped you couldn't have skin-poped they couldn't have skin-poped	I couldn't have been skin-poping you couldn't have been skin-poping he couldn't have been skin-poping we couldn't have been skin-poping you couldn't have been skin-poping they couldn't have been skin-poping

Interrogative form

Simple form	V-ing form
could I skin-pop? could you skin-pop? could he skin-pop? could we skin-pop? could you skin-pop? could they skin-pop?	could I be skin-poping? could you be skin-poping? could he be skin-poping? could we be skin-poping? could you be skin-poping? could they be skin-poping?
Perfect	V-ing perfect
could I have skin-poped? could you have skin-poped? could he have skin-poped? could we have skin-poped? could you have skin-poped? could they have skin-poped?	could I have been skin-poping? could you have been skin-poping? could he have been skin-poping? could we have been skin-poping? could you have been skin-poping? could they have been skin-poping?

Interro-negative form

Simple form	V-ing form
couldn't I skin-pop? couldn't you skin-pop? couldn't he skin-pop? couldn't we skin-pop? couldn't you skin-pop? couldn't they skin-pop?	couldn't I be skin-poping? couldn't you be skin-poping? couldn't he be skin-poping? couldn't we be skin-poping? couldn't you be skin-poping? couldn't they be skin-poping?
Perfect	V-ing perfect
couldn't I have skin-poped? couldn't you have skin-poped? couldn't he have skin-poped? couldn't we have skin-poped? couldn't you have skin-poped? couldn't they have skin-poped?	couldn't I have been skin-poping? couldn't you have been skin-poping? couldn't he have been skin-poping? couldn't we have been skin-poping? couldn't you have been skin-poping? couldn't they have been skin-poping?