can understeer
Verbe régulier : understeer - understeered- understeered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can understeer
you can understeer
she can understeer
we can understeer
you can understeer
they can understeer 	I can be understeering
you can be understeering
she can be understeering
we can be understeering
you can be understeering
they can be understeering	I can have understeered
you can have understeered
she can have understeered
we can have understeered
you can have understeered
they can have understeered	I can have been understeering
you can have been understeering
she can have been understeering
we can have been understeering
you can have been understeering
they can have been understeering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't understeer
you can't understeer
she can't understeer
we can't understeer
you can't understeer
they can't understeer 	I can't be understeering
you can't be understeering
she can't be understeering
we can't be understeering
you can't be understeering
they can't be understeering	I can't have understeered
you can't have understeered
she can't have understeered
we can't have understeered
you can't have understeered
they can't have understeered	I can't have been understeering
you can't have been understeering
she can't have been understeering
we can't have been understeering
you can't have been understeering
they can't have been understeering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I understeer?
can you understeer?
can she understeer?
can we understeer?
can you understeer?
can they understeer? 	can I be understeering?
can you be understeering?
can she be understeering?
can we be understeering?
can you be understeering?
can they be understeering? 	can I have understeered?
can you have understeered?
can she have understeered?
can we have understeered?
can you have understeered?
can they have understeered? 	can I have been understeering?
can you have been understeering?
can she have been understeering?
can we have been understeering?
can you have been understeering?
can they have been understeering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I understeer?
can't you understeer?
can't she understeer?
can't we understeer?
can't you understeer?
can't they understeer? 	can't I be understeering?
can't you be understeering?
can't she be understeering?
can't we be understeering?
can't you be understeering?
can't they be understeering? 	can't I have understeered?
can't you have understeered?
can't she have understeered?
can't we have understeered?
can't you have understeered?
can't they have understeered? 	can't I have been understeering?
can't you have been understeering?
can't she have been understeering?
can't we have been understeering?
can't you have been understeering?
can't they have been understeering?