must unveil
Regular verb: unveil - unveiled- unveiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must unveil
you must unveil
he must unveil
we must unveil
you must unveil
they must unveil 	I must be unveiling
you must be unveiling
he must be unveiling
we must be unveiling
you must be unveiling
they must be unveiling	I must have unveiled
you must have unveiled
he must have unveiled
we must have unveiled
you must have unveiled
they must have unveiled	I must have been unveiling
you must have been unveiling
he must have been unveiling
we must have been unveiling
you must have been unveiling
they must have been unveiling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not unveil
you must not unveil
he must not unveil
we must not unveil
you must not unveil
they must not unveil 	I must not be unveiling
you must not be unveiling
he must not be unveiling
we must not be unveiling
you must not be unveiling
they must not be unveiling	I must not have unveiled
you must not have unveiled
he must not have unveiled
we must not have unveiled
you must not have unveiled
they must not have unveiled	I must not have been unveiling
you must not have been unveiling
he must not have been unveiling
we must not have been unveiling
you must not have been unveiling
they must not have been unveiling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I unveil?
must you unveil?
must he unveil?
must we unveil?
must you unveil?
must they unveil? 	must I be unveiling?
must you be unveiling?
must he be unveiling?
must we be unveiling?
must you be unveiling?
must they be unveiling? 	must I have unveiled?
must you have unveiled?
must he have unveiled?
must we have unveiled?
must you have unveiled?
must they have unveiled? 	must I have been unveiling?
must you have been unveiling?
must he have been unveiling?
must we have been unveiling?
must you have been unveiling?
must they have been unveiling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not unveil?
must you not unveil?
must he not unveil?
must we not unveil?
must you not unveil?
must they not unveil? 	must I not be unveiling?
must you not be unveiling?
must he not be unveiling?
must we not be unveiling?
must you not be unveiling?
must they not be unveiling? 	must I not have unveiled?
must you not have unveiled?
must he not have unveiled?
must we not have unveiled?
must you not have unveiled?
must they not have unveiled? 	must I not have been unveiling?
must you not have been unveiling?
must he not have been unveiling?
must we not have been unveiling?
must you not have been unveiling?
must they not have been unveiling?