I must envisage you must envisage she must envisage we must envisage you must envisage they must envisage
Forma con V-ing
I must be envisaging you must be envisaging she must be envisaging we must be envisaging you must be envisaging they must be envisaging
Perfecto
I must have envisaged you must have envisaged she must have envisaged we must have envisaged you must have envisaged they must have envisaged
Perfecto con V-ing
I must have been envisaging you must have been envisaging she must have been envisaging we must have been envisaging you must have been envisaging they must have been envisaging
Negación
Forma simple
I must not envisage you must not envisage she must not envisage we must not envisage you must not envisage they must not envisage
Forma con V-ing
I must not be envisaging you must not be envisaging she must not be envisaging we must not be envisaging you must not be envisaging they must not be envisaging
Perfecto
I must not have envisaged you must not have envisaged she must not have envisaged we must not have envisaged you must not have envisaged they must not have envisaged
Perfecto con V-ing
I must not have been envisaging you must not have been envisaging she must not have been envisaging we must not have been envisaging you must not have been envisaging they must not have been envisaging
Forma interrogativa
Forma simple
must I envisage? must you envisage? must she envisage? must we envisage? must you envisage? must they envisage?
Forma con V-ing
must I be envisaging? must you be envisaging? must she be envisaging? must we be envisaging? must you be envisaging? must they be envisaging?
Perfecto
must I have envisaged? must you have envisaged? must she have envisaged? must we have envisaged? must you have envisaged? must they have envisaged?
Perfecto con V-ing
must I have been envisaging? must you have been envisaging? must she have been envisaging? must we have been envisaging? must you have been envisaging? must they have been envisaging?
Forma interro-negativa
Forma simple
must I not envisage? must you not envisage? must she not envisage? must we not envisage? must you not envisage? must they not envisage?
Forma con V-ing
must I not be envisaging? must you not be envisaging? must she not be envisaging? must we not be envisaging? must you not be envisaging? must they not be envisaging?
Perfecto
must I not have envisaged? must you not have envisaged? must she not have envisaged? must we not have envisaged? must you not have envisaged? must they not have envisaged?
Perfecto con V-ing
must I not have been envisaging? must you not have been envisaging? must she not have been envisaging? must we not have been envisaging? must you not have been envisaging? must they not have been envisaging?