I could clarify you could clarify he could clarify we could clarify you could clarify they could clarify
Forma com V-ing
I could be clarifying you could be clarifying he could be clarifying we could be clarifying you could be clarifying they could be clarifying
Perfeito
I could have clarified you could have clarified he could have clarified we could have clarified you could have clarified they could have clarified
Perfeito com V-ing
I could have been clarifying you could have been clarifying he could have been clarifying we could have been clarifying you could have been clarifying they could have been clarifying
Negação
Forma simple
I could not clarify you could not clarify he could not clarify we could not clarify you could not clarify they could not clarify
Forma com V-ing
I could not be clarifying you could not be clarifying he could not be clarifying we could not be clarifying you could not be clarifying they could not be clarifying
Perfeito
I could not have clarified you could not have clarified he could not have clarified we could not have clarified you could not have clarified they could not have clarified
Perfeito com V-ing
I could not have been clarifying you could not have been clarifying he could not have been clarifying we could not have been clarifying you could not have been clarifying they could not have been clarifying
Forma interrogativa
Forma simple
could I clarify? could you clarify? could he clarify? could we clarify? could you clarify? could they clarify?
Forma com V-ing
could I be clarifying? could you be clarifying? could he be clarifying? could we be clarifying? could you be clarifying? could they be clarifying?
Perfeito
could I have clarified? could you have clarified? could he have clarified? could we have clarified? could you have clarified? could they have clarified?
Perfeito com V-ing
could I have been clarifying? could you have been clarifying? could he have been clarifying? could we have been clarifying? could you have been clarifying? could they have been clarifying?
Forma interro-Negação
Forma simple
could I not clarify? could you not clarify? could he not clarify? could we not clarify? could you not clarify? could they not clarify?
Forma com V-ing
could I not be clarifying? could you not be clarifying? could he not be clarifying? could we not be clarifying? could you not be clarifying? could they not be clarifying?
Perfeito
could I not have clarified? could you not have clarified? could he not have clarified? could we not have clarified? could you not have clarified? could they not have clarified?
Perfeito com V-ing
could I not have been clarifying? could you not have been clarifying? could he not have been clarifying? could we not have been clarifying? could you not have been clarifying? could they not have been clarifying?