can understeer
Verbo regular: understeer - understeered- understeered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot understeer
you cannot understeer
she cannot understeer
we cannot understeer
you cannot understeer
they cannot understeer 	I cannot be understeering
you cannot be understeering
she cannot be understeering
we cannot be understeering
you cannot be understeering
they cannot be understeering	I cannot have understeered
you cannot have understeered
she cannot have understeered
we cannot have understeered
you cannot have understeered
they cannot have understeered	I cannot have been understeering
you cannot have been understeering
she cannot have been understeering
we cannot have been understeering
you cannot have been understeering
they cannot have been understeering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not understeer?
can you not understeer?
can she not understeer?
can we not understeer?
can you not understeer?
can they not understeer? 	can I not be understeering?
can you not be understeering?
can she not be understeering?
can we not be understeering?
can you not be understeering?
can they not be understeering? 	can I not have understeered?
can you not have understeered?
can she not have understeered?
can we not have understeered?
can you not have understeered?
can they not have understeered? 	can I not have been understeering?
can you not have been understeering?
can she not have been understeering?
can we not have been understeering?
can you not have been understeering?
can they not have been understeering?