must major
Regular verb: major - majored- majored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must major
you must major
he must major
we must major
you must major
they must major 	I must be majoring
you must be majoring
he must be majoring
we must be majoring
you must be majoring
they must be majoring	I must have majored
you must have majored
he must have majored
we must have majored
you must have majored
they must have majored	I must have been majoring
you must have been majoring
he must have been majoring
we must have been majoring
you must have been majoring
they must have been majoring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not major
you must not major
he must not major
we must not major
you must not major
they must not major 	I must not be majoring
you must not be majoring
he must not be majoring
we must not be majoring
you must not be majoring
they must not be majoring	I must not have majored
you must not have majored
he must not have majored
we must not have majored
you must not have majored
they must not have majored	I must not have been majoring
you must not have been majoring
he must not have been majoring
we must not have been majoring
you must not have been majoring
they must not have been majoring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I major?
must you major?
must he major?
must we major?
must you major?
must they major? 	must I be majoring?
must you be majoring?
must he be majoring?
must we be majoring?
must you be majoring?
must they be majoring? 	must I have majored?
must you have majored?
must he have majored?
must we have majored?
must you have majored?
must they have majored? 	must I have been majoring?
must you have been majoring?
must he have been majoring?
must we have been majoring?
must you have been majoring?
must they have been majoring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not major?
must you not major?
must he not major?
must we not major?
must you not major?
must they not major? 	must I not be majoring?
must you not be majoring?
must he not be majoring?
must we not be majoring?
must you not be majoring?
must they not be majoring? 	must I not have majored?
must you not have majored?
must he not have majored?
must we not have majored?
must you not have majored?
must they not have majored? 	must I not have been majoring?
must you not have been majoring?
must he not have been majoring?
must we not have been majoring?
must you not have been majoring?
must they not have been majoring?