should understeer
Regular verb: understeer - understeered- understeered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd understeer
you'd understeer
she'd understeer
we'd understeer
you'd understeer
they'd understeer 	I'd be understeering
you'd be understeering
she'd be understeering
we'd be understeering
you'd be understeering
they'd be understeering	I should've understeered
you should've understeered
she should've understeered
we should've understeered
you should've understeered
they should've understeered	I should've been understeering
you should've been understeering
she should've been understeering
we should've been understeering
you should've been understeering
they should've been understeering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't understeer
you shouldn't understeer
she shouldn't understeer
we shouldn't understeer
you shouldn't understeer
they shouldn't understeer 	I shouldn't be understeering
you shouldn't be understeering
she shouldn't be understeering
we shouldn't be understeering
you shouldn't be understeering
they shouldn't be understeering	I shouldn't have understeered
you shouldn't have understeered
she shouldn't have understeered
we shouldn't have understeered
you shouldn't have understeered
they shouldn't have understeered	I shouldn't have been understeering
you shouldn't have been understeering
she shouldn't have been understeering
we shouldn't have been understeering
you shouldn't have been understeering
they shouldn't have been understeering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I understeer?
should you understeer?
should she understeer?
should we understeer?
should you understeer?
should they understeer? 	should I be understeering?
should you be understeering?
should she be understeering?
should we be understeering?
should you be understeering?
should they be understeering? 	should I have understeered?
should you have understeered?
should she have understeered?
should we have understeered?
should you have understeered?
should they have understeered? 	should I have been understeering?
should you have been understeering?
should she have been understeering?
should we have been understeering?
should you have been understeering?
should they have been understeering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I understeer?
shouldn't you understeer?
shouldn't she understeer?
shouldn't we understeer?
shouldn't you understeer?
shouldn't they understeer? 	shouldn't I be understeering?
shouldn't you be understeering?
shouldn't she be understeering?
shouldn't we be understeering?
shouldn't you be understeering?
shouldn't they be understeering? 	shouldn't I have understeered?
shouldn't you have understeered?
shouldn't she have understeered?
shouldn't we have understeered?
shouldn't you have understeered?
shouldn't they have understeered? 	shouldn't I have been understeering?
shouldn't you have been understeering?
shouldn't she have been understeering?
shouldn't we have been understeering?
shouldn't you have been understeering?
shouldn't they have been understeering?