Conjugação do verbo inglês
COULD DISAGREE

Verbo regular: disagree - disagreed - disagreed

Afirmação

Forma simple	Forma com V-ing
I could disagree you could disagree he could disagree we could disagree you could disagree they could disagree	I could be disagreeing you could be disagreeing he could be disagreeing we could be disagreeing you could be disagreeing they could be disagreeing
Perfeito	Perfeito com V-ing
I could have disagreed you could have disagreed he 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 he 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
I couldn't disagree you couldn't disagree he couldn't disagree we couldn't disagree you couldn't disagree they couldn't disagree	I couldn't be disagreeing you couldn't be disagreeing he couldn't be disagreeing we couldn't be disagreeing you couldn't be disagreeing they couldn't be disagreeing
Perfeito	Perfeito com V-ing
I couldn't have disagreed you couldn't have disagreed he couldn't have disagreed we couldn't have disagreed you couldn't have disagreed they couldn't have disagreed	I couldn't have been disagreeing you couldn't have been disagreeing he couldn't have been disagreeing we couldn't have been disagreeing you couldn't have been disagreeing they couldn't have been disagreeing

Forma interrogativa

Forma simple	Forma com V-ing
could I disagree? could you disagree? could he disagree? could we disagree? could you disagree? could they disagree?	could I be disagreeing? could you be disagreeing? could he be disagreeing? could we be disagreeing? could you be disagreeing? could they be disagreeing?
Perfeito	Perfeito com V-ing
could I have disagreed? could you have disagreed? could he 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 he 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
couldn't I disagree? couldn't you disagree? couldn't he disagree? couldn't we disagree? couldn't you disagree? couldn't they disagree?	couldn't I be disagreeing? couldn't you be disagreeing? couldn't he be disagreeing? couldn't we be disagreeing? couldn't you be disagreeing? couldn't they be disagreeing?
Perfeito	Perfeito com V-ing
couldn't I have disagreed? couldn't you have disagreed? couldn't he have disagreed? couldn't we have disagreed? couldn't you have disagreed? couldn't they have disagreed?	couldn't I have been disagreeing? couldn't you have been disagreeing? couldn't he have been disagreeing? couldn't we have been disagreeing? couldn't you have been disagreeing? couldn't they have been disagreeing?