I could envisage you could envisage he could envisage we could envisage you could envisage they could envisage
Forma con V-ing
I could be envisaging you could be envisaging he could be envisaging we could be envisaging you could be envisaging they could be envisaging
Perfecto
I could have envisaged you could have envisaged he could have envisaged we could have envisaged you could have envisaged they could have envisaged
Perfecto con V-ing
I could have been envisaging you could have been envisaging he could have been envisaging we could have been envisaging you could have been envisaging they could have been envisaging
Negación
Forma simple
I couldn't envisage you couldn't envisage he couldn't envisage we couldn't envisage you couldn't envisage they couldn't envisage
Forma con V-ing
I couldn't be envisaging you couldn't be envisaging he couldn't be envisaging we couldn't be envisaging you couldn't be envisaging they couldn't be envisaging
Perfecto
I couldn't have envisaged you couldn't have envisaged he couldn't have envisaged we couldn't have envisaged you couldn't have envisaged they couldn't have envisaged
Perfecto con V-ing
I couldn't have been envisaging you couldn't have been envisaging he couldn't have been envisaging we couldn't have been envisaging you couldn't have been envisaging they couldn't have been envisaging
Forma interrogativa
Forma simple
could I envisage? could you envisage? could he envisage? could we envisage? could you envisage? could they envisage?
Forma con V-ing
could I be envisaging? could you be envisaging? could he be envisaging? could we be envisaging? could you be envisaging? could they be envisaging?
Perfecto
could I have envisaged? could you have envisaged? could he have envisaged? could we have envisaged? could you have envisaged? could they have envisaged?
Perfecto con V-ing
could I have been envisaging? could you have been envisaging? could he have been envisaging? could we have been envisaging? could you have been envisaging? could they have been envisaging?
Forma interro-negativa
Forma simple
couldn't I envisage? couldn't you envisage? couldn't he envisage? couldn't we envisage? couldn't you envisage? couldn't they envisage?
Forma con V-ing
couldn't I be envisaging? couldn't you be envisaging? couldn't he be envisaging? couldn't we be envisaging? couldn't you be envisaging? couldn't they be envisaging?
Perfecto
couldn't I have envisaged? couldn't you have envisaged? couldn't he have envisaged? couldn't we have envisaged? couldn't you have envisaged? couldn't they have envisaged?
Perfecto con V-ing
couldn't I have been envisaging? couldn't you have been envisaging? couldn't he have been envisaging? couldn't we have been envisaging? couldn't you have been envisaging? couldn't they have been envisaging?