must envisage
Verbo regular: envisage - envisaged- envisaged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must envisage
you must envisage
he must envisage
we must envisage
you must envisage
they must envisage 	I must be envisaging
you must be envisaging
he must be envisaging
we must be envisaging
you must be envisaging
they must be envisaging	I must have envisaged
you must have envisaged
he must have envisaged
we must have envisaged
you must have envisaged
they must have envisaged	I must have been envisaging
you must have been envisaging
he must have been envisaging
we must have been envisaging
you must have been envisaging
they must have been envisaging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't envisage
you mustn't envisage
he mustn't envisage
we mustn't envisage
you mustn't envisage
they mustn't envisage 	I mustn't be envisaging
you mustn't be envisaging
he mustn't be envisaging
we mustn't be envisaging
you mustn't be envisaging
they mustn't be envisaging	I mustn't have envisaged
you mustn't have envisaged
he mustn't have envisaged
we mustn't have envisaged
you mustn't have envisaged
they mustn't have envisaged	I mustn't have been envisaging
you mustn't have been envisaging
he mustn't have been envisaging
we mustn't have been envisaging
you mustn't have been envisaging
they mustn't have been envisaging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I envisage?
must you envisage?
must he envisage?
must we envisage?
must you envisage?
must they envisage? 	must I be envisaging?
must you be envisaging?
must he be envisaging?
must we be envisaging?
must you be envisaging?
must they be envisaging? 	must I have envisaged?
must you have envisaged?
must he have envisaged?
must we have envisaged?
must you have envisaged?
must they have envisaged? 	must I have been envisaging?
must you have been envisaging?
must he have been envisaging?
must we have been envisaging?
must you have been envisaging?
must they have been envisaging? 	

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