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 must not dehorn you must not dehorn he must not dehorn we must not dehorn you must not dehorn they must not dehorn	I must not be dehorning you must not be dehorning he must not be dehorning we must not be dehorning you must not be dehorning they must not be dehorning
Perfect	V-ing perfect
I must not have dehorned you must not have dehorned he must not have dehorned we must not have dehorned you must not have dehorned they must not have dehorned	I must not have been dehorning you must not have been dehorning he must not have been dehorning we must not have been dehorning you must not have been dehorning they must not 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
must I not dehorn? must you not dehorn? must he not dehorn? must we not dehorn? must you not dehorn? must they not dehorn?	must I not be dehorning? must you not be dehorning? must he not be dehorning? must we not be dehorning? must you not be dehorning? must they not be dehorning?
Perfect	V-ing perfect
must I not have dehorned? must you not have dehorned? must he not have dehorned? must we not have dehorned? must you not have dehorned? must they not have dehorned?	must I not have been dehorning? must you not have been dehorning? must he not have been dehorning? must we not have been dehorning? must you not have been dehorning? must they not have been dehorning?