Verbo regular: distinguish - distinguished - distinguished
Afirmação
Forma simple
I could distinguish you could distinguish he could distinguish we could distinguish you could distinguish they could distinguish
Forma com V-ing
I could be distinguishing you could be distinguishing he could be distinguishing we could be distinguishing you could be distinguishing they could be distinguishing
Perfeito
I could have distinguished you could have distinguished he could have distinguished we could have distinguished you could have distinguished they could have distinguished
Perfeito com V-ing
I could have been distinguishing you could have been distinguishing he could have been distinguishing we could have been distinguishing you could have been distinguishing they could have been distinguishing
Negação
Forma simple
I couldn't distinguish you couldn't distinguish he couldn't distinguish we couldn't distinguish you couldn't distinguish they couldn't distinguish
Forma com V-ing
I couldn't be distinguishing you couldn't be distinguishing he couldn't be distinguishing we couldn't be distinguishing you couldn't be distinguishing they couldn't be distinguishing
Perfeito
I couldn't have distinguished you couldn't have distinguished he couldn't have distinguished we couldn't have distinguished you couldn't have distinguished they couldn't have distinguished
Perfeito com V-ing
I couldn't have been distinguishing you couldn't have been distinguishing he couldn't have been distinguishing we couldn't have been distinguishing you couldn't have been distinguishing they couldn't have been distinguishing
Forma interrogativa
Forma simple
could I distinguish? could you distinguish? could he distinguish? could we distinguish? could you distinguish? could they distinguish?
Forma com V-ing
could I be distinguishing? could you be distinguishing? could he be distinguishing? could we be distinguishing? could you be distinguishing? could they be distinguishing?
Perfeito
could I have distinguished? could you have distinguished? could he have distinguished? could we have distinguished? could you have distinguished? could they have distinguished?
Perfeito com V-ing
could I have been distinguishing? could you have been distinguishing? could he have been distinguishing? could we have been distinguishing? could you have been distinguishing? could they have been distinguishing?
Forma interro-Negação
Forma simple
couldn't I distinguish? couldn't you distinguish? couldn't he distinguish? couldn't we distinguish? couldn't you distinguish? couldn't they distinguish?
Forma com V-ing
couldn't I be distinguishing? couldn't you be distinguishing? couldn't he be distinguishing? couldn't we be distinguishing? couldn't you be distinguishing? couldn't they be distinguishing?
Perfeito
couldn't I have distinguished? couldn't you have distinguished? couldn't he have distinguished? couldn't we have distinguished? couldn't you have distinguished? couldn't they have distinguished?
Perfeito com V-ing
couldn't I have been distinguishing? couldn't you have been distinguishing? couldn't he have been distinguishing? couldn't we have been distinguishing? couldn't you have been distinguishing? couldn't they have been distinguishing?