English verb conjugation
COULD BUTCHER

Regular verb: butcher - butchered - butchered

Affirmation

Simple form	V-ing form
I could butcher you could butcher he could butcher we could butcher you could butcher they could butcher	I could be butchering you could be butchering he could be butchering we could be butchering you could be butchering they could be butchering
Perfect	V-ing perfect
I could have butchered you could have butchered he could have butchered we could have butchered you could have butchered they could have butchered	I could have been butchering you could have been butchering he could have been butchering we could have been butchering you could have been butchering they could have been butchering

Negation

Simple form	V-ing form
I couldn't butcher you couldn't butcher he couldn't butcher we couldn't butcher you couldn't butcher they couldn't butcher	I couldn't be butchering you couldn't be butchering he couldn't be butchering we couldn't be butchering you couldn't be butchering they couldn't be butchering
Perfect	V-ing perfect
I couldn't have butchered you couldn't have butchered he couldn't have butchered we couldn't have butchered you couldn't have butchered they couldn't have butchered	I couldn't have been butchering you couldn't have been butchering he couldn't have been butchering we couldn't have been butchering you couldn't have been butchering they couldn't have been butchering

Interrogative form

Simple form	V-ing form
could I butcher? could you butcher? could he butcher? could we butcher? could you butcher? could they butcher?	could I be butchering? could you be butchering? could he be butchering? could we be butchering? could you be butchering? could they be butchering?
Perfect	V-ing perfect
could I have butchered? could you have butchered? could he have butchered? could we have butchered? could you have butchered? could they have butchered?	could I have been butchering? could you have been butchering? could he have been butchering? could we have been butchering? could you have been butchering? could they have been butchering?

Interro-negative form

Simple form	V-ing form
couldn't I butcher? couldn't you butcher? couldn't he butcher? couldn't we butcher? couldn't you butcher? couldn't they butcher?	couldn't I be butchering? couldn't you be butchering? couldn't he be butchering? couldn't we be butchering? couldn't you be butchering? couldn't they be butchering?
Perfect	V-ing perfect
couldn't I have butchered? couldn't you have butchered? couldn't he have butchered? couldn't we have butchered? couldn't you have butchered? couldn't they have butchered?	couldn't I have been butchering? couldn't you have been butchering? couldn't he have been butchering? couldn't we have been butchering? couldn't you have been butchering? couldn't they have been butchering?