should underreport
Regular verb: underreport - underreported- underreported

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd underreport
you'd underreport
she'd underreport
we'd underreport
you'd underreport
they'd underreport 	I'd be underreporting
you'd be underreporting
she'd be underreporting
we'd be underreporting
you'd be underreporting
they'd be underreporting	I should've underreported
you should've underreported
she should've underreported
we should've underreported
you should've underreported
they should've underreported	I should've been underreporting
you should've been underreporting
she should've been underreporting
we should've been underreporting
you should've been underreporting
they should've been underreporting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't underreport
you shouldn't underreport
she shouldn't underreport
we shouldn't underreport
you shouldn't underreport
they shouldn't underreport 	I shouldn't be underreporting
you shouldn't be underreporting
she shouldn't be underreporting
we shouldn't be underreporting
you shouldn't be underreporting
they shouldn't be underreporting	I shouldn't have underreported
you shouldn't have underreported
she shouldn't have underreported
we shouldn't have underreported
you shouldn't have underreported
they shouldn't have underreported	I shouldn't have been underreporting
you shouldn't have been underreporting
she shouldn't have been underreporting
we shouldn't have been underreporting
you shouldn't have been underreporting
they shouldn't have been underreporting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I underreport?
should you underreport?
should she underreport?
should we underreport?
should you underreport?
should they underreport? 	should I be underreporting?
should you be underreporting?
should she be underreporting?
should we be underreporting?
should you be underreporting?
should they be underreporting? 	should I have underreported?
should you have underreported?
should she have underreported?
should we have underreported?
should you have underreported?
should they have underreported? 	should I have been underreporting?
should you have been underreporting?
should she have been underreporting?
should we have been underreporting?
should you have been underreporting?
should they have been underreporting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I underreport?
shouldn't you underreport?
shouldn't she underreport?
shouldn't we underreport?
shouldn't you underreport?
shouldn't they underreport? 	shouldn't I be underreporting?
shouldn't you be underreporting?
shouldn't she be underreporting?
shouldn't we be underreporting?
shouldn't you be underreporting?
shouldn't they be underreporting? 	shouldn't I have underreported?
shouldn't you have underreported?
shouldn't she have underreported?
shouldn't we have underreported?
shouldn't you have underreported?
shouldn't they have underreported? 	shouldn't I have been underreporting?
shouldn't you have been underreporting?
shouldn't she have been underreporting?
shouldn't we have been underreporting?
shouldn't you have been underreporting?
shouldn't they have been underreporting?