could snarl
Verbo regular: snarl - snarled- snarled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could snarl
you could snarl
he could snarl
we could snarl
you could snarl
they could snarl 	I could be snarling
you could be snarling
he could be snarling
we could be snarling
you could be snarling
they could be snarling	I could have snarled
you could have snarled
he could have snarled
we could have snarled
you could have snarled
they could have snarled	I could have been snarling
you could have been snarling
he could have been snarling
we could have been snarling
you could have been snarling
they could have been snarling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not snarl
you could not snarl
he could not snarl
we could not snarl
you could not snarl
they could not snarl 	I could not be snarling
you could not be snarling
he could not be snarling
we could not be snarling
you could not be snarling
they could not be snarling	I could not have snarled
you could not have snarled
he could not have snarled
we could not have snarled
you could not have snarled
they could not have snarled	I could not have been snarling
you could not have been snarling
he could not have been snarling
we could not have been snarling
you could not have been snarling
they could not have been snarling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I snarl?
could you snarl?
could he snarl?
could we snarl?
could you snarl?
could they snarl? 	could I be snarling?
could you be snarling?
could he be snarling?
could we be snarling?
could you be snarling?
could they be snarling? 	could I have snarled?
could you have snarled?
could he have snarled?
could we have snarled?
could you have snarled?
could they have snarled? 	could I have been snarling?
could you have been snarling?
could he have been snarling?
could we have been snarling?
could you have been snarling?
could they have been snarling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not snarl?
could you not snarl?
could he not snarl?
could we not snarl?
could you not snarl?
could they not snarl? 	could I not be snarling?
could you not be snarling?
could he not be snarling?
could we not be snarling?
could you not be snarling?
could they not be snarling? 	could I not have snarled?
could you not have snarled?
could he not have snarled?
could we not have snarled?
could you not have snarled?
could they not have snarled? 	could I not have been snarling?
could you not have been snarling?
could he not have been snarling?
could we not have been snarling?
could you not have been snarling?
could they not have been snarling?