could slither
Verbo regular: slither - slithered- slithered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could slither
you could slither
he could slither
we could slither
you could slither
they could slither 	I could be slithering
you could be slithering
he could be slithering
we could be slithering
you could be slithering
they could be slithering	I could have slithered
you could have slithered
he could have slithered
we could have slithered
you could have slithered
they could have slithered	I could have been slithering
you could have been slithering
he could have been slithering
we could have been slithering
you could have been slithering
they could have been slithering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not slither
you could not slither
he could not slither
we could not slither
you could not slither
they could not slither 	I could not be slithering
you could not be slithering
he could not be slithering
we could not be slithering
you could not be slithering
they could not be slithering	I could not have slithered
you could not have slithered
he could not have slithered
we could not have slithered
you could not have slithered
they could not have slithered	I could not have been slithering
you could not have been slithering
he could not have been slithering
we could not have been slithering
you could not have been slithering
they could not have been slithering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I slither?
could you slither?
could he slither?
could we slither?
could you slither?
could they slither? 	could I be slithering?
could you be slithering?
could he be slithering?
could we be slithering?
could you be slithering?
could they be slithering? 	could I have slithered?
could you have slithered?
could he have slithered?
could we have slithered?
could you have slithered?
could they have slithered? 	could I have been slithering?
could you have been slithering?
could he have been slithering?
could we have been slithering?
could you have been slithering?
could they have been slithering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not slither?
could you not slither?
could he not slither?
could we not slither?
could you not slither?
could they not slither? 	could I not be slithering?
could you not be slithering?
could he not be slithering?
could we not be slithering?
could you not be slithering?
could they not be slithering? 	could I not have slithered?
could you not have slithered?
could he not have slithered?
could we not have slithered?
could you not have slithered?
could they not have slithered? 	could I not have been slithering?
could you not have been slithering?
could he not have been slithering?
could we not have been slithering?
could you not have been slithering?
could they not have been slithering?