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 must not underfinance
you must not underfinance
he must not underfinance
we must not underfinance
you must not underfinance
they must not underfinance 	I must not be underfinancing
you must not be underfinancing
he must not be underfinancing
we must not be underfinancing
you must not be underfinancing
they must not be underfinancing	I must not have underfinanced
you must not have underfinanced
he must not have underfinanced
we must not have underfinanced
you must not have underfinanced
they must not have underfinanced	I must not have been underfinancing
you must not have been underfinancing
he must not have been underfinancing
we must not have been underfinancing
you must not have been underfinancing
they must not 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 	
must I not underfinance?
must you not underfinance?
must he not underfinance?
must we not underfinance?
must you not underfinance?
must they not underfinance? 	must I not be underfinancing?
must you not be underfinancing?
must he not be underfinancing?
must we not be underfinancing?
must you not be underfinancing?
must they not be underfinancing? 	must I not have underfinanced?
must you not have underfinanced?
must he not have underfinanced?
must we not have underfinanced?
must you not have underfinanced?
must they not have underfinanced? 	must I not have been underfinancing?
must you not have been underfinancing?
must he not have been underfinancing?
must we not have been underfinancing?
must you not have been underfinancing?
must they not have been underfinancing?