English verb conjugation
MUST DEHORN

Regular verb: dehorn - dehorned - dehorned

Affirmation

Simple form	V-ing form
I must dehorn you must dehorn he must dehorn we must dehorn you must dehorn they must dehorn	I must be dehorning you must be dehorning he must be dehorning we must be dehorning you must be dehorning they must be dehorning
Perfect	V-ing perfect
I must have dehorned you must have dehorned he must have dehorned we must have dehorned you must have dehorned they must have dehorned	I must have been dehorning you must have been dehorning he must have been dehorning we must have been dehorning you must have been dehorning they must have been dehorning

Negation

Simple form	V-ing form
I mustn't dehorn you mustn't dehorn he mustn't dehorn we mustn't dehorn you mustn't dehorn they mustn't dehorn	I mustn't be dehorning you mustn't be dehorning he mustn't be dehorning we mustn't be dehorning you mustn't be dehorning they mustn't be dehorning
Perfect	V-ing perfect
I mustn't have dehorned you mustn't have dehorned he mustn't have dehorned we mustn't have dehorned you mustn't have dehorned they mustn't have dehorned	I mustn't have been dehorning you mustn't have been dehorning he mustn't have been dehorning we mustn't have been dehorning you mustn't have been dehorning they mustn't have been dehorning

Interrogative form

Simple form	V-ing form
must I dehorn? must you dehorn? must he dehorn? must we dehorn? must you dehorn? must they dehorn?	must I be dehorning? must you be dehorning? must he be dehorning? must we be dehorning? must you be dehorning? must they be dehorning?
Perfect	V-ing perfect
must I have dehorned? must you have dehorned? must he have dehorned? must we have dehorned? must you have dehorned? must they have dehorned?	must I have been dehorning? must you have been dehorning? must he have been dehorning? must we have been dehorning? must you have been dehorning? must they have been dehorning?

Interro-negative form

Simple form	V-ing form
mustn't I dehorn? mustn't you dehorn? mustn't he dehorn? mustn't we dehorn? mustn't you dehorn? mustn't they dehorn?	mustn't I be dehorning? mustn't you be dehorning? mustn't he be dehorning? mustn't we be dehorning? mustn't you be dehorning? mustn't they be dehorning?
Perfect	V-ing perfect
mustn't I have dehorned? mustn't you have dehorned? mustn't he have dehorned? mustn't we have dehorned? mustn't you have dehorned? mustn't they have dehorned?	mustn't I have been dehorning? mustn't you have been dehorning? mustn't he have been dehorning? mustn't we have been dehorning? mustn't you have been dehorning? mustn't they have been dehorning?