must underemphasize
Regular verb: underemphasize - underemphasized- underemphasized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must underemphasize
you must underemphasize
he must underemphasize
we must underemphasize
you must underemphasize
they must underemphasize 	I must be underemphasizing
you must be underemphasizing
he must be underemphasizing
we must be underemphasizing
you must be underemphasizing
they must be underemphasizing	I must have underemphasized
you must have underemphasized
he must have underemphasized
we must have underemphasized
you must have underemphasized
they must have underemphasized	I must have been underemphasizing
you must have been underemphasizing
he must have been underemphasizing
we must have been underemphasizing
you must have been underemphasizing
they must have been underemphasizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not underemphasize
you must not underemphasize
he must not underemphasize
we must not underemphasize
you must not underemphasize
they must not underemphasize 	I must not be underemphasizing
you must not be underemphasizing
he must not be underemphasizing
we must not be underemphasizing
you must not be underemphasizing
they must not be underemphasizing	I must not have underemphasized
you must not have underemphasized
he must not have underemphasized
we must not have underemphasized
you must not have underemphasized
they must not have underemphasized	I must not have been underemphasizing
you must not have been underemphasizing
he must not have been underemphasizing
we must not have been underemphasizing
you must not have been underemphasizing
they must not have been underemphasizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I underemphasize?
must you underemphasize?
must he underemphasize?
must we underemphasize?
must you underemphasize?
must they underemphasize? 	must I be underemphasizing?
must you be underemphasizing?
must he be underemphasizing?
must we be underemphasizing?
must you be underemphasizing?
must they be underemphasizing? 	must I have underemphasized?
must you have underemphasized?
must he have underemphasized?
must we have underemphasized?
must you have underemphasized?
must they have underemphasized? 	must I have been underemphasizing?
must you have been underemphasizing?
must he have been underemphasizing?
must we have been underemphasizing?
must you have been underemphasizing?
must they have been underemphasizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not underemphasize?
must you not underemphasize?
must he not underemphasize?
must we not underemphasize?
must you not underemphasize?
must they not underemphasize? 	must I not be underemphasizing?
must you not be underemphasizing?
must he not be underemphasizing?
must we not be underemphasizing?
must you not be underemphasizing?
must they not be underemphasizing? 	must I not have underemphasized?
must you not have underemphasized?
must he not have underemphasized?
must we not have underemphasized?
must you not have underemphasized?
must they not have underemphasized? 	must I not have been underemphasizing?
must you not have been underemphasizing?
must he not have been underemphasizing?
must we not have been underemphasizing?
must you not have been underemphasizing?
must they not have been underemphasizing?