I could envisage you could envisage she could envisage we could envisage you could envisage they could envisage
Forme en V-ing
I could be envisaging you could be envisaging she could be envisaging we could be envisaging you could be envisaging they could be envisaging
Perfect
I could have envisaged you could have envisaged she could have envisaged we could have envisaged you could have envisaged they could have envisaged
Perfect en V-ing
I could have been envisaging you could have been envisaging she could have been envisaging we could have been envisaging you could have been envisaging they could have been envisaging
Négation
Forme simple
I could not envisage you could not envisage she could not envisage we could not envisage you could not envisage they could not envisage
Forme en V-ing
I could not be envisaging you could not be envisaging she could not be envisaging we could not be envisaging you could not be envisaging they could not be envisaging
Perfect
I could not have envisaged you could not have envisaged she could not have envisaged we could not have envisaged you could not have envisaged they could not have envisaged
Perfect en V-ing
I could not have been envisaging you could not have been envisaging she could not have been envisaging we could not have been envisaging you could not have been envisaging they could not have been envisaging
Forme interrogative
Forme simple
could I envisage? could you envisage? could she envisage? could we envisage? could you envisage? could they envisage?
Forme en V-ing
could I be envisaging? could you be envisaging? could she be envisaging? could we be envisaging? could you be envisaging? could they be envisaging?
Perfect
could I have envisaged? could you have envisaged? could she have envisaged? could we have envisaged? could you have envisaged? could they have envisaged?
Perfect en V-ing
could I have been envisaging? could you have been envisaging? could she have been envisaging? could we have been envisaging? could you have been envisaging? could they have been envisaging?
Forme interro-négative
Forme simple
could I not envisage? could you not envisage? could she not envisage? could we not envisage? could you not envisage? could they not envisage?
Forme en V-ing
could I not be envisaging? could you not be envisaging? could she not be envisaging? could we not be envisaging? could you not be envisaging? could they not be envisaging?
Perfect
could I not have envisaged? could you not have envisaged? could she not have envisaged? could we not have envisaged? could you not have envisaged? could they not have envisaged?
Perfect en V-ing
could I not have been envisaging? could you not have been envisaging? could she not have been envisaging? could we not have been envisaging? could you not have been envisaging? could they not have been envisaging?