must underfinance
Regular verb: underfinance - underfinanced- underfinanced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must underfinance
you must underfinance
he must underfinance
we must underfinance
you must underfinance
they must underfinance 	I must be underfinancing
you must be underfinancing
he must be underfinancing
we must be underfinancing
you must be underfinancing
they must be underfinancing	I must have underfinanced
you must have underfinanced
he must have underfinanced
we must have underfinanced
you must have underfinanced
they must have underfinanced	I must have been underfinancing
you must have been underfinancing
he must have been underfinancing
we must have been underfinancing
you must have been underfinancing
they must have been underfinancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't underfinance
you mustn't underfinance
he mustn't underfinance
we mustn't underfinance
you mustn't underfinance
they mustn't underfinance 	I mustn't be underfinancing
you mustn't be underfinancing
he mustn't be underfinancing
we mustn't be underfinancing
you mustn't be underfinancing
they mustn't be underfinancing	I mustn't have underfinanced
you mustn't have underfinanced
he mustn't have underfinanced
we mustn't have underfinanced
you mustn't have underfinanced
they mustn't have underfinanced	I mustn't have been underfinancing
you mustn't have been underfinancing
he mustn't have been underfinancing
we mustn't have been underfinancing
you mustn't have been underfinancing
they mustn't have been underfinancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I underfinance?
must you underfinance?
must he underfinance?
must we underfinance?
must you underfinance?
must they underfinance? 	must I be underfinancing?
must you be underfinancing?
must he be underfinancing?
must we be underfinancing?
must you be underfinancing?
must they be underfinancing? 	must I have underfinanced?
must you have underfinanced?
must he have underfinanced?
must we have underfinanced?
must you have underfinanced?
must they have underfinanced? 	must I have been underfinancing?
must you have been underfinancing?
must he have been underfinancing?
must we have been underfinancing?
must you have been underfinancing?
must they have been underfinancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I underfinance?
mustn't you underfinance?
mustn't he underfinance?
mustn't we underfinance?
mustn't you underfinance?
mustn't they underfinance? 	mustn't I be underfinancing?
mustn't you be underfinancing?
mustn't he be underfinancing?
mustn't we be underfinancing?
mustn't you be underfinancing?
mustn't they be underfinancing? 	mustn't I have underfinanced?
mustn't you have underfinanced?
mustn't he have underfinanced?
mustn't we have underfinanced?
mustn't you have underfinanced?
mustn't they have underfinanced? 	mustn't I have been underfinancing?
mustn't you have been underfinancing?
mustn't he have been underfinancing?
mustn't we have been underfinancing?
mustn't you have been underfinancing?
mustn't they have been underfinancing?