could disallow
Verbo regular: disallow - disallowed- disallowed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could disallow
you could disallow
he could disallow
we could disallow
you could disallow
they could disallow 	I could be disallowing
you could be disallowing
he could be disallowing
we could be disallowing
you could be disallowing
they could be disallowing	I could have disallowed
you could have disallowed
he could have disallowed
we could have disallowed
you could have disallowed
they could have disallowed	I could have been disallowing
you could have been disallowing
he could have been disallowing
we could have been disallowing
you could have been disallowing
they could have been disallowing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't disallow
you couldn't disallow
he couldn't disallow
we couldn't disallow
you couldn't disallow
they couldn't disallow 	I couldn't be disallowing
you couldn't be disallowing
he couldn't be disallowing
we couldn't be disallowing
you couldn't be disallowing
they couldn't be disallowing	I couldn't have disallowed
you couldn't have disallowed
he couldn't have disallowed
we couldn't have disallowed
you couldn't have disallowed
they couldn't have disallowed	I couldn't have been disallowing
you couldn't have been disallowing
he couldn't have been disallowing
we couldn't have been disallowing
you couldn't have been disallowing
they couldn't have been disallowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I disallow?
could you disallow?
could he disallow?
could we disallow?
could you disallow?
could they disallow? 	could I be disallowing?
could you be disallowing?
could he be disallowing?
could we be disallowing?
could you be disallowing?
could they be disallowing? 	could I have disallowed?
could you have disallowed?
could he have disallowed?
could we have disallowed?
could you have disallowed?
could they have disallowed? 	could I have been disallowing?
could you have been disallowing?
could he have been disallowing?
could we have been disallowing?
could you have been disallowing?
could they have been disallowing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I disallow?
couldn't you disallow?
couldn't he disallow?
couldn't we disallow?
couldn't you disallow?
couldn't they disallow? 	couldn't I be disallowing?
couldn't you be disallowing?
couldn't he be disallowing?
couldn't we be disallowing?
couldn't you be disallowing?
couldn't they be disallowing? 	couldn't I have disallowed?
couldn't you have disallowed?
couldn't he have disallowed?
couldn't we have disallowed?
couldn't you have disallowed?
couldn't they have disallowed? 	couldn't I have been disallowing?
couldn't you have been disallowing?
couldn't he have been disallowing?
couldn't we have been disallowing?
couldn't you have been disallowing?
couldn't they have been disallowing?