could disagree
Verbo regular: disagree - disagreed- disagreed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could disagree
you could disagree
she could disagree
we could disagree
you could disagree
they could disagree 	I could be disagreeing
you could be disagreeing
she could be disagreeing
we could be disagreeing
you could be disagreeing
they could be disagreeing	I could have disagreed
you could have disagreed
she could have disagreed
we could have disagreed
you could have disagreed
they could have disagreed	I could have been disagreeing
you could have been disagreeing
she could have been disagreeing
we could have been disagreeing
you could have been disagreeing
they could have been disagreeing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not disagree
you could not disagree
she could not disagree
we could not disagree
you could not disagree
they could not disagree 	I could not be disagreeing
you could not be disagreeing
she could not be disagreeing
we could not be disagreeing
you could not be disagreeing
they could not be disagreeing	I could not have disagreed
you could not have disagreed
she could not have disagreed
we could not have disagreed
you could not have disagreed
they could not have disagreed	I could not have been disagreeing
you could not have been disagreeing
she could not have been disagreeing
we could not have been disagreeing
you could not have been disagreeing
they could not have been disagreeing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I disagree?
could you disagree?
could she disagree?
could we disagree?
could you disagree?
could they disagree? 	could I be disagreeing?
could you be disagreeing?
could she be disagreeing?
could we be disagreeing?
could you be disagreeing?
could they be disagreeing? 	could I have disagreed?
could you have disagreed?
could she have disagreed?
could we have disagreed?
could you have disagreed?
could they have disagreed? 	could I have been disagreeing?
could you have been disagreeing?
could she have been disagreeing?
could we have been disagreeing?
could you have been disagreeing?
could they have been disagreeing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not disagree?
could you not disagree?
could she not disagree?
could we not disagree?
could you not disagree?
could they not disagree? 	could I not be disagreeing?
could you not be disagreeing?
could she not be disagreeing?
could we not be disagreeing?
could you not be disagreeing?
could they not be disagreeing? 	could I not have disagreed?
could you not have disagreed?
could she not have disagreed?
could we not have disagreed?
could you not have disagreed?
could they not have disagreed? 	could I not have been disagreeing?
could you not have been disagreeing?
could she not have been disagreeing?
could we not have been disagreeing?
could you not have been disagreeing?
could they not have been disagreeing?