I could record you could record he could record we could record you could record they could record
Forma com V-ing
I could be recording you could be recording he could be recording we could be recording you could be recording they could be recording
Perfeito
I could have recorded you could have recorded he could have recorded we could have recorded you could have recorded they could have recorded
Perfeito com V-ing
I could have been recording you could have been recording he could have been recording we could have been recording you could have been recording they could have been recording
Negação
Forma simple
I could not record you could not record he could not record we could not record you could not record they could not record
Forma com V-ing
I could not be recording you could not be recording he could not be recording we could not be recording you could not be recording they could not be recording
Perfeito
I could not have recorded you could not have recorded he could not have recorded we could not have recorded you could not have recorded they could not have recorded
Perfeito com V-ing
I could not have been recording you could not have been recording he could not have been recording we could not have been recording you could not have been recording they could not have been recording
Forma interrogativa
Forma simple
could I record? could you record? could he record? could we record? could you record? could they record?
Forma com V-ing
could I be recording? could you be recording? could he be recording? could we be recording? could you be recording? could they be recording?
Perfeito
could I have recorded? could you have recorded? could he have recorded? could we have recorded? could you have recorded? could they have recorded?
Perfeito com V-ing
could I have been recording? could you have been recording? could he have been recording? could we have been recording? could you have been recording? could they have been recording?
Forma interro-Negação
Forma simple
could I not record? could you not record? could he not record? could we not record? could you not record? could they not record?
Forma com V-ing
could I not be recording? could you not be recording? could he not be recording? could we not be recording? could you not be recording? could they not be recording?
Perfeito
could I not have recorded? could you not have recorded? could he not have recorded? could we not have recorded? could you not have recorded? could they not have recorded?
Perfeito com V-ing
could I not have been recording? could you not have been recording? could he not have been recording? could we not have been recording? could you not have been recording? could they not have been recording?