must oversubscribe
Regular verb: oversubscribe - oversubscribed- oversubscribed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must oversubscribe
you must oversubscribe
he must oversubscribe
we must oversubscribe
you must oversubscribe
they must oversubscribe 	I must be oversubscribing
you must be oversubscribing
he must be oversubscribing
we must be oversubscribing
you must be oversubscribing
they must be oversubscribing	I must have oversubscribed
you must have oversubscribed
he must have oversubscribed
we must have oversubscribed
you must have oversubscribed
they must have oversubscribed	I must have been oversubscribing
you must have been oversubscribing
he must have been oversubscribing
we must have been oversubscribing
you must have been oversubscribing
they must have been oversubscribing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't oversubscribe
you mustn't oversubscribe
he mustn't oversubscribe
we mustn't oversubscribe
you mustn't oversubscribe
they mustn't oversubscribe 	I mustn't be oversubscribing
you mustn't be oversubscribing
he mustn't be oversubscribing
we mustn't be oversubscribing
you mustn't be oversubscribing
they mustn't be oversubscribing	I mustn't have oversubscribed
you mustn't have oversubscribed
he mustn't have oversubscribed
we mustn't have oversubscribed
you mustn't have oversubscribed
they mustn't have oversubscribed	I mustn't have been oversubscribing
you mustn't have been oversubscribing
he mustn't have been oversubscribing
we mustn't have been oversubscribing
you mustn't have been oversubscribing
they mustn't have been oversubscribing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I oversubscribe?
must you oversubscribe?
must he oversubscribe?
must we oversubscribe?
must you oversubscribe?
must they oversubscribe? 	must I be oversubscribing?
must you be oversubscribing?
must he be oversubscribing?
must we be oversubscribing?
must you be oversubscribing?
must they be oversubscribing? 	must I have oversubscribed?
must you have oversubscribed?
must he have oversubscribed?
must we have oversubscribed?
must you have oversubscribed?
must they have oversubscribed? 	must I have been oversubscribing?
must you have been oversubscribing?
must he have been oversubscribing?
must we have been oversubscribing?
must you have been oversubscribing?
must they have been oversubscribing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I oversubscribe?
mustn't you oversubscribe?
mustn't he oversubscribe?
mustn't we oversubscribe?
mustn't you oversubscribe?
mustn't they oversubscribe? 	mustn't I be oversubscribing?
mustn't you be oversubscribing?
mustn't he be oversubscribing?
mustn't we be oversubscribing?
mustn't you be oversubscribing?
mustn't they be oversubscribing? 	mustn't I have oversubscribed?
mustn't you have oversubscribed?
mustn't he have oversubscribed?
mustn't we have oversubscribed?
mustn't you have oversubscribed?
mustn't they have oversubscribed? 	mustn't I have been oversubscribing?
mustn't you have been oversubscribing?
mustn't he have been oversubscribing?
mustn't we have been oversubscribing?
mustn't you have been oversubscribing?
mustn't they have been oversubscribing?