I could stultify you could stultify he could stultify we could stultify you could stultify they could stultify
Forma com V-ing
I could be stultifying you could be stultifying he could be stultifying we could be stultifying you could be stultifying they could be stultifying
Perfeito
I could have stultified you could have stultified he could have stultified we could have stultified you could have stultified they could have stultified
Perfeito com V-ing
I could have been stultifying you could have been stultifying he could have been stultifying we could have been stultifying you could have been stultifying they could have been stultifying
Negação
Forma simple
I could not stultify you could not stultify he could not stultify we could not stultify you could not stultify they could not stultify
Forma com V-ing
I could not be stultifying you could not be stultifying he could not be stultifying we could not be stultifying you could not be stultifying they could not be stultifying
Perfeito
I could not have stultified you could not have stultified he could not have stultified we could not have stultified you could not have stultified they could not have stultified
Perfeito com V-ing
I could not have been stultifying you could not have been stultifying he could not have been stultifying we could not have been stultifying you could not have been stultifying they could not have been stultifying
Forma interrogativa
Forma simple
could I stultify? could you stultify? could he stultify? could we stultify? could you stultify? could they stultify?
Forma com V-ing
could I be stultifying? could you be stultifying? could he be stultifying? could we be stultifying? could you be stultifying? could they be stultifying?
Perfeito
could I have stultified? could you have stultified? could he have stultified? could we have stultified? could you have stultified? could they have stultified?
Perfeito com V-ing
could I have been stultifying? could you have been stultifying? could he have been stultifying? could we have been stultifying? could you have been stultifying? could they have been stultifying?
Forma interro-Negação
Forma simple
could I not stultify? could you not stultify? could he not stultify? could we not stultify? could you not stultify? could they not stultify?
Forma com V-ing
could I not be stultifying? could you not be stultifying? could he not be stultifying? could we not be stultifying? could you not be stultifying? could they not be stultifying?
Perfeito
could I not have stultified? could you not have stultified? could he not have stultified? could we not have stultified? could you not have stultified? could they not have stultified?
Perfeito com V-ing
could I not have been stultifying? could you not have been stultifying? could he not have been stultifying? could we not have been stultifying? could you not have been stultifying? could they not have been stultifying?