I could disprove you could disprove she could disprove we could disprove you could disprove they could disprove
Forma com V-ing
I could be disproving you could be disproving she could be disproving we could be disproving you could be disproving they could be disproving
Perfeito
I could have disproved you could have disproved she could have disproved we could have disproved you could have disproved they could have disproved
Perfeito com V-ing
I could have been disproving you could have been disproving she could have been disproving we could have been disproving you could have been disproving they could have been disproving
Negação
Forma simple
I couldn't disprove you couldn't disprove she couldn't disprove we couldn't disprove you couldn't disprove they couldn't disprove
Forma com V-ing
I couldn't be disproving you couldn't be disproving she couldn't be disproving we couldn't be disproving you couldn't be disproving they couldn't be disproving
Perfeito
I couldn't have disproved you couldn't have disproved she couldn't have disproved we couldn't have disproved you couldn't have disproved they couldn't have disproved
Perfeito com V-ing
I couldn't have been disproving you couldn't have been disproving she couldn't have been disproving we couldn't have been disproving you couldn't have been disproving they couldn't have been disproving
Forma interrogativa
Forma simple
could I disprove? could you disprove? could she disprove? could we disprove? could you disprove? could they disprove?
Forma com V-ing
could I be disproving? could you be disproving? could she be disproving? could we be disproving? could you be disproving? could they be disproving?
Perfeito
could I have disproved? could you have disproved? could she have disproved? could we have disproved? could you have disproved? could they have disproved?
Perfeito com V-ing
could I have been disproving? could you have been disproving? could she have been disproving? could we have been disproving? could you have been disproving? could they have been disproving?
Forma interro-Negação
Forma simple
couldn't I disprove? couldn't you disprove? couldn't she disprove? couldn't we disprove? couldn't you disprove? couldn't they disprove?
Forma com V-ing
couldn't I be disproving? couldn't you be disproving? couldn't she be disproving? couldn't we be disproving? couldn't you be disproving? couldn't they be disproving?
Perfeito
couldn't I have disproved? couldn't you have disproved? couldn't she have disproved? couldn't we have disproved? couldn't you have disproved? couldn't they have disproved?
Perfeito com V-ing
couldn't I have been disproving? couldn't you have been disproving? couldn't she have been disproving? couldn't we have been disproving? couldn't you have been disproving? couldn't they have been disproving?