I could aver you could aver she could aver we could aver you could aver they could aver
Forma com V-ing
I could be averring you could be averring she could be averring we could be averring you could be averring they could be averring
Perfeito
I could have averred you could have averred she could have averred we could have averred you could have averred they could have averred
Perfeito com V-ing
I could have been averring you could have been averring she could have been averring we could have been averring you could have been averring they could have been averring
Negação
Forma simple
I couldn't aver you couldn't aver she couldn't aver we couldn't aver you couldn't aver they couldn't aver
Forma com V-ing
I couldn't be averring you couldn't be averring she couldn't be averring we couldn't be averring you couldn't be averring they couldn't be averring
Perfeito
I couldn't have averred you couldn't have averred she couldn't have averred we couldn't have averred you couldn't have averred they couldn't have averred
Perfeito com V-ing
I couldn't have been averring you couldn't have been averring she couldn't have been averring we couldn't have been averring you couldn't have been averring they couldn't have been averring
Forma interrogativa
Forma simple
could I aver? could you aver? could she aver? could we aver? could you aver? could they aver?
Forma com V-ing
could I be averring? could you be averring? could she be averring? could we be averring? could you be averring? could they be averring?
Perfeito
could I have averred? could you have averred? could she have averred? could we have averred? could you have averred? could they have averred?
Perfeito com V-ing
could I have been averring? could you have been averring? could she have been averring? could we have been averring? could you have been averring? could they have been averring?
Forma interro-Negação
Forma simple
couldn't I aver? couldn't you aver? couldn't she aver? couldn't we aver? couldn't you aver? couldn't they aver?
Forma com V-ing
couldn't I be averring? couldn't you be averring? couldn't she be averring? couldn't we be averring? couldn't you be averring? couldn't they be averring?
Perfeito
couldn't I have averred? couldn't you have averred? couldn't she have averred? couldn't we have averred? couldn't you have averred? couldn't they have averred?
Perfeito com V-ing
couldn't I have been averring? couldn't you have been averring? couldn't she have been averring? couldn't we have been averring? couldn't you have been averring? couldn't they have been averring?