English verb conjugation
MUST MOTOR

Regular verb: motor - motored - motored

Affirmation

Simple form	V-ing form
I must motor you must motor he must motor we must motor you must motor they must motor	I must be motoring you must be motoring he must be motoring we must be motoring you must be motoring they must be motoring
Perfect	V-ing perfect
I must have motored you must have motored he must have motored we must have motored you must have motored they must have motored	I must have been motoring you must have been motoring he must have been motoring we must have been motoring you must have been motoring they must have been motoring

Negation

Simple form	V-ing form
I mustn't motor you mustn't motor he mustn't motor we mustn't motor you mustn't motor they mustn't motor	I mustn't be motoring you mustn't be motoring he mustn't be motoring we mustn't be motoring you mustn't be motoring they mustn't be motoring
Perfect	V-ing perfect
I mustn't have motored you mustn't have motored he mustn't have motored we mustn't have motored you mustn't have motored they mustn't have motored	I mustn't have been motoring you mustn't have been motoring he mustn't have been motoring we mustn't have been motoring you mustn't have been motoring they mustn't have been motoring

Interrogative form

Simple form	V-ing form
must I motor? must you motor? must he motor? must we motor? must you motor? must they motor?	must I be motoring? must you be motoring? must he be motoring? must we be motoring? must you be motoring? must they be motoring?
Perfect	V-ing perfect
must I have motored? must you have motored? must he have motored? must we have motored? must you have motored? must they have motored?	must I have been motoring? must you have been motoring? must he have been motoring? must we have been motoring? must you have been motoring? must they have been motoring?

Interro-negative form

Simple form	V-ing form
mustn't I motor? mustn't you motor? mustn't he motor? mustn't we motor? mustn't you motor? mustn't they motor?	mustn't I be motoring? mustn't you be motoring? mustn't he be motoring? mustn't we be motoring? mustn't you be motoring? mustn't they be motoring?
Perfect	V-ing perfect
mustn't I have motored? mustn't you have motored? mustn't he have motored? mustn't we have motored? mustn't you have motored? mustn't they have motored?	mustn't I have been motoring? mustn't you have been motoring? mustn't he have been motoring? mustn't we have been motoring? mustn't you have been motoring? mustn't they have been motoring?