Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must envisage envisage you must envisage envisage she must envisage envisage we must envisage envisage you must envisage envisage they must envisage envisage
V-ing form
I must be envisage envisaging you must be envisage envisaging she must be envisage envisaging we must be envisage envisaging you must be envisage envisaging they must be envisage envisaging
Perfect
I must have envisage envisaged you must have envisage envisaged she must have envisage envisaged we must have envisage envisaged you must have envisage envisaged they must have envisage envisaged
V-ing perfect
I must have been envisage envisaging you must have been envisage envisaging she must have been envisage envisaging we must have been envisage envisaging you must have been envisage envisaging they must have been envisage envisaging
Negation
Simple form
I mustn't envisage envisage you mustn't envisage envisage she mustn't envisage envisage we mustn't envisage envisage you mustn't envisage envisage they mustn't envisage envisage
V-ing form
I mustn't be envisage envisaging you mustn't be envisage envisaging she mustn't be envisage envisaging we mustn't be envisage envisaging you mustn't be envisage envisaging they mustn't be envisage envisaging
Perfect
I mustn't have envisage envisaged you mustn't have envisage envisaged she mustn't have envisage envisaged we mustn't have envisage envisaged you mustn't have envisage envisaged they mustn't have envisage envisaged
V-ing perfect
I mustn't have been envisage envisaging you mustn't have been envisage envisaging she mustn't have been envisage envisaging we mustn't have been envisage envisaging you mustn't have been envisage envisaging they mustn't have been envisage envisaging
Interrogative form
Simple form
must I envisage envisage? must you envisage envisage? must she envisage envisage? must we envisage envisage? must you envisage envisage? must they envisage envisage?
V-ing form
must I be envisage envisaging? must you be envisage envisaging? must she be envisage envisaging? must we be envisage envisaging? must you be envisage envisaging? must they be envisage envisaging?
Perfect
must I have envisage envisaged? must you have envisage envisaged? must she have envisage envisaged? must we have envisage envisaged? must you have envisage envisaged? must they have envisage envisaged?
V-ing perfect
must I have been envisage envisaging? must you have been envisage envisaging? must she have been envisage envisaging? must we have been envisage envisaging? must you have been envisage envisaging? must they have been envisage envisaging?
Interro-negative form
Simple form
mustn't I envisage envisage? mustn't you envisage envisage? mustn't she envisage envisage? mustn't we envisage envisage? mustn't you envisage envisage? mustn't they envisage envisage?
V-ing form
mustn't I be envisage envisaging? mustn't you be envisage envisaging? mustn't she be envisage envisaging? mustn't we be envisage envisaging? mustn't you be envisage envisaging? mustn't they be envisage envisaging?
Perfect
mustn't I have envisage envisaged? mustn't you have envisage envisaged? mustn't she have envisage envisaged? mustn't we have envisage envisaged? mustn't you have envisage envisaged? mustn't they have envisage envisaged?
V-ing perfect
mustn't I have been envisage envisaging? mustn't you have been envisage envisaging? mustn't she have been envisage envisaging? mustn't we have been envisage envisaging? mustn't you have been envisage envisaging? mustn't they have been envisage envisaging?