English verb conjugation
MUST BUTCHER

Regular verb: butcher - butchered - butchered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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