I could quantify you could quantify she could quantify we could quantify you could quantify they could quantify
Forma con V-ing
I could be quantifying you could be quantifying she could be quantifying we could be quantifying you could be quantifying they could be quantifying
Perfecto
I could have quantified you could have quantified she could have quantified we could have quantified you could have quantified they could have quantified
Perfecto con V-ing
I could have been quantifying you could have been quantifying she could have been quantifying we could have been quantifying you could have been quantifying they could have been quantifying
Negación
Forma simple
I could not quantify you could not quantify she could not quantify we could not quantify you could not quantify they could not quantify
Forma con V-ing
I could not be quantifying you could not be quantifying she could not be quantifying we could not be quantifying you could not be quantifying they could not be quantifying
Perfecto
I could not have quantified you could not have quantified she could not have quantified we could not have quantified you could not have quantified they could not have quantified
Perfecto con V-ing
I could not have been quantifying you could not have been quantifying she could not have been quantifying we could not have been quantifying you could not have been quantifying they could not have been quantifying
Forma interrogativa
Forma simple
could I quantify? could you quantify? could she quantify? could we quantify? could you quantify? could they quantify?
Forma con V-ing
could I be quantifying? could you be quantifying? could she be quantifying? could we be quantifying? could you be quantifying? could they be quantifying?
Perfecto
could I have quantified? could you have quantified? could she have quantified? could we have quantified? could you have quantified? could they have quantified?
Perfecto con V-ing
could I have been quantifying? could you have been quantifying? could she have been quantifying? could we have been quantifying? could you have been quantifying? could they have been quantifying?
Forma interro-negativa
Forma simple
could I not quantify? could you not quantify? could she not quantify? could we not quantify? could you not quantify? could they not quantify?
Forma con V-ing
could I not be quantifying? could you not be quantifying? could she not be quantifying? could we not be quantifying? could you not be quantifying? could they not be quantifying?
Perfecto
could I not have quantified? could you not have quantified? could she not have quantified? could we not have quantified? could you not have quantified? could they not have quantified?
Perfecto con V-ing
could I not have been quantifying? could you not have been quantifying? could she not have been quantifying? could we not have been quantifying? could you not have been quantifying? could they not have been quantifying?