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 couldn't sneer
you couldn't sneer
he couldn't sneer
we couldn't sneer
you couldn't sneer
they couldn't sneer 	I couldn't be sneering
you couldn't be sneering
he couldn't be sneering
we couldn't be sneering
you couldn't be sneering
they couldn't be sneering	I couldn't have sneered
you couldn't have sneered
he couldn't have sneered
we couldn't have sneered
you couldn't have sneered
they couldn't have sneered	I couldn't have been sneering
you couldn't have been sneering
he couldn't have been sneering
we couldn't have been sneering
you couldn't have been sneering
they couldn't 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 	
couldn't I sneer?
couldn't you sneer?
couldn't he sneer?
couldn't we sneer?
couldn't you sneer?
couldn't they sneer? 	couldn't I be sneering?
couldn't you be sneering?
couldn't he be sneering?
couldn't we be sneering?
couldn't you be sneering?
couldn't they be sneering? 	couldn't I have sneered?
couldn't you have sneered?
couldn't he have sneered?
couldn't we have sneered?
couldn't you have sneered?
couldn't they have sneered? 	couldn't I have been sneering?
couldn't you have been sneering?
couldn't he have been sneering?
couldn't we have been sneering?
couldn't you have been sneering?
couldn't they have been sneering?