Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could have to you could have to he could have to we could have to you could have to they could have to
Forme en V-ing
I could be have toing you could be have toing he could be have toing we could be have toing you could be have toing they could be have toing
Perfect
I could have have toed you could have have toed he could have have toed we could have have toed you could have have toed they could have have toed
Perfect en V-ing
I could have been have toing you could have been have toing he could have been have toing we could have been have toing you could have been have toing they could have been have toing
Négation
Forme simple
I could not have to you could not have to he could not have to we could not have to you could not have to they could not have to
Forme en V-ing
I could not be have toing you could not be have toing he could not be have toing we could not be have toing you could not be have toing they could not be have toing
Perfect
I could not have have toed you could not have have toed he could not have have toed we could not have have toed you could not have have toed they could not have have toed
Perfect en V-ing
I could not have been have toing you could not have been have toing he could not have been have toing we could not have been have toing you could not have been have toing they could not have been have toing
Forme interrogative
Forme simple
could I have to? could you have to? could he have to? could we have to? could you have to? could they have to?
Forme en V-ing
could I be have toing? could you be have toing? could he be have toing? could we be have toing? could you be have toing? could they be have toing?
Perfect
could I have have toed? could you have have toed? could he have have toed? could we have have toed? could you have have toed? could they have have toed?
Perfect en V-ing
could I have been have toing? could you have been have toing? could he have been have toing? could we have been have toing? could you have been have toing? could they have been have toing?
Forme interro-négative
Forme simple
could I not have to? could you not have to? could he not have to? could we not have to? could you not have to? could they not have to?
Forme en V-ing
could I not be have toing? could you not be have toing? could he not be have toing? could we not be have toing? could you not be have toing? could they not be have toing?
Perfect
could I not have have toed? could you not have have toed? could he not have have toed? could we not have have toed? could you not have have toed? could they not have have toed?
Perfect en V-ing
could I not have been have toing? could you not have been have toing? could he not have been have toing? could we not have been have toing? could you not have been have toing? could they not have been have toing?