I could ante you could ante she could ante we could ante you could ante they could ante
Forma con V-ing
I could be anting you could be anting she could be anting we could be anting you could be anting they could be anting
Perfecto
I could have anted you could have anted she could have anted we could have anted you could have anted they could have anted
Perfecto con V-ing
I could have been anting you could have been anting she could have been anting we could have been anting you could have been anting they could have been anting
Negación
Forma simple
I could not ante you could not ante she could not ante we could not ante you could not ante they could not ante
Forma con V-ing
I could not be anting you could not be anting she could not be anting we could not be anting you could not be anting they could not be anting
Perfecto
I could not have anted you could not have anted she could not have anted we could not have anted you could not have anted they could not have anted
Perfecto con V-ing
I could not have been anting you could not have been anting she could not have been anting we could not have been anting you could not have been anting they could not have been anting
Forma interrogativa
Forma simple
could I ante? could you ante? could she ante? could we ante? could you ante? could they ante?
Forma con V-ing
could I be anting? could you be anting? could she be anting? could we be anting? could you be anting? could they be anting?
Perfecto
could I have anted? could you have anted? could she have anted? could we have anted? could you have anted? could they have anted?
Perfecto con V-ing
could I have been anting? could you have been anting? could she have been anting? could we have been anting? could you have been anting? could they have been anting?
Forma interro-negativa
Forma simple
could I not ante? could you not ante? could she not ante? could we not ante? could you not ante? could they not ante?
Forma con V-ing
could I not be anting? could you not be anting? could she not be anting? could we not be anting? could you not be anting? could they not be anting?
Perfecto
could I not have anted? could you not have anted? could she not have anted? could we not have anted? could you not have anted? could they not have anted?
Perfecto con V-ing
could I not have been anting? could you not have been anting? could she not have been anting? could we not have been anting? could you not have been anting? could they not have been anting?