could sneer
Verbo regular: sneer - sneered- sneered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sneer
you could sneer
he could sneer
we could sneer
you could sneer
they could sneer 	I could be sneering
you could be sneering
he could be sneering
we could be sneering
you could be sneering
they could be sneering	I could have sneered
you could have sneered
he could have sneered
we could have sneered
you could have sneered
they could have sneered	I could have been sneering
you could have been sneering
he could have been sneering
we could have been sneering
you could have been sneering
they could have been sneering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not sneer
you could not sneer
he could not sneer
we could not sneer
you could not sneer
they could not sneer 	I could not be sneering
you could not be sneering
he could not be sneering
we could not be sneering
you could not be sneering
they could not be sneering	I could not have sneered
you could not have sneered
he could not have sneered
we could not have sneered
you could not have sneered
they could not have sneered	I could not have been sneering
you could not have been sneering
he could not have been sneering
we could not have been sneering
you could not have been sneering
they could not have been sneering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sneer?
could you sneer?
could he sneer?
could we sneer?
could you sneer?
could they sneer? 	could I be sneering?
could you be sneering?
could he be sneering?
could we be sneering?
could you be sneering?
could they be sneering? 	could I have sneered?
could you have sneered?
could he have sneered?
could we have sneered?
could you have sneered?
could they have sneered? 	could I have been sneering?
could you have been sneering?
could he have been sneering?
could we have been sneering?
could you have been sneering?
could they have been sneering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not sneer?
could you not sneer?
could he not sneer?
could we not sneer?
could you not sneer?
could they not sneer? 	could I not be sneering?
could you not be sneering?
could he not be sneering?
could we not be sneering?
could you not be sneering?
could they not be sneering? 	could I not have sneered?
could you not have sneered?
could he not have sneered?
could we not have sneered?
could you not have sneered?
could they not have sneered? 	could I not have been sneering?
could you not have been sneering?
could he not have been sneering?
could we not have been sneering?
could you not have been sneering?
could they not have been sneering?