English verb conjugation
MUST CORN

Regular verb: corn - corned - corned

Affirmation

Simple form	V-ing form
I must corn you must corn he must corn we must corn you must corn they must corn	I must be corning you must be corning he must be corning we must be corning you must be corning they must be corning
Perfect	V-ing perfect
I must have corned you must have corned he must have corned we must have corned you must have corned they must have corned	I must have been corning you must have been corning he must have been corning we must have been corning you must have been corning they must have been corning

Negation

Simple form	V-ing form
I mustn't corn you mustn't corn he mustn't corn we mustn't corn you mustn't corn they mustn't corn	I mustn't be corning you mustn't be corning he mustn't be corning we mustn't be corning you mustn't be corning they mustn't be corning
Perfect	V-ing perfect
I mustn't have corned you mustn't have corned he mustn't have corned we mustn't have corned you mustn't have corned they mustn't have corned	I mustn't have been corning you mustn't have been corning he mustn't have been corning we mustn't have been corning you mustn't have been corning they mustn't have been corning

Interrogative form

Simple form	V-ing form
must I corn? must you corn? must he corn? must we corn? must you corn? must they corn?	must I be corning? must you be corning? must he be corning? must we be corning? must you be corning? must they be corning?
Perfect	V-ing perfect
must I have corned? must you have corned? must he have corned? must we have corned? must you have corned? must they have corned?	must I have been corning? must you have been corning? must he have been corning? must we have been corning? must you have been corning? must they have been corning?

Interro-negative form

Simple form	V-ing form
mustn't I corn? mustn't you corn? mustn't he corn? mustn't we corn? mustn't you corn? mustn't they corn?	mustn't I be corning? mustn't you be corning? mustn't he be corning? mustn't we be corning? mustn't you be corning? mustn't they be corning?
Perfect	V-ing perfect
mustn't I have corned? mustn't you have corned? mustn't he have corned? mustn't we have corned? mustn't you have corned? mustn't they have corned?	mustn't I have been corning? mustn't you have been corning? mustn't he have been corning? mustn't we have been corning? mustn't you have been corning? mustn't they have been corning?