could sniggle
Verbo regular: sniggle - sniggled- sniggled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sniggle
you could sniggle
she could sniggle
we could sniggle
you could sniggle
they could sniggle 	I could be sniggling
you could be sniggling
she could be sniggling
we could be sniggling
you could be sniggling
they could be sniggling	I could have sniggled
you could have sniggled
she could have sniggled
we could have sniggled
you could have sniggled
they could have sniggled	I could have been sniggling
you could have been sniggling
she could have been sniggling
we could have been sniggling
you could have been sniggling
they could have been sniggling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not sniggle
you could not sniggle
she could not sniggle
we could not sniggle
you could not sniggle
they could not sniggle 	I could not be sniggling
you could not be sniggling
she could not be sniggling
we could not be sniggling
you could not be sniggling
they could not be sniggling	I could not have sniggled
you could not have sniggled
she could not have sniggled
we could not have sniggled
you could not have sniggled
they could not have sniggled	I could not have been sniggling
you could not have been sniggling
she could not have been sniggling
we could not have been sniggling
you could not have been sniggling
they could not have been sniggling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sniggle?
could you sniggle?
could she sniggle?
could we sniggle?
could you sniggle?
could they sniggle? 	could I be sniggling?
could you be sniggling?
could she be sniggling?
could we be sniggling?
could you be sniggling?
could they be sniggling? 	could I have sniggled?
could you have sniggled?
could she have sniggled?
could we have sniggled?
could you have sniggled?
could they have sniggled? 	could I have been sniggling?
could you have been sniggling?
could she have been sniggling?
could we have been sniggling?
could you have been sniggling?
could they have been sniggling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not sniggle?
could you not sniggle?
could she not sniggle?
could we not sniggle?
could you not sniggle?
could they not sniggle? 	could I not be sniggling?
could you not be sniggling?
could she not be sniggling?
could we not be sniggling?
could you not be sniggling?
could they not be sniggling? 	could I not have sniggled?
could you not have sniggled?
could she not have sniggled?
could we not have sniggled?
could you not have sniggled?
could they not have sniggled? 	could I not have been sniggling?
could you not have been sniggling?
could she not have been sniggling?
could we not have been sniggling?
could you not have been sniggling?
could they not have been sniggling?