must canvass
Verbe régulier : canvass - canvassed- canvassed
Traduction française : faire un sondage - sonder 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must canvass
you must canvass
he must canvass
we must canvass
you must canvass
they must canvass 	I must be canvassing
you must be canvassing
he must be canvassing
we must be canvassing
you must be canvassing
they must be canvassing	I must have canvassed
you must have canvassed
he must have canvassed
we must have canvassed
you must have canvassed
they must have canvassed	I must have been canvassing
you must have been canvassing
he must have been canvassing
we must have been canvassing
you must have been canvassing
they must have been canvassing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't canvass
you mustn't canvass
he mustn't canvass
we mustn't canvass
you mustn't canvass
they mustn't canvass 	I mustn't be canvassing
you mustn't be canvassing
he mustn't be canvassing
we mustn't be canvassing
you mustn't be canvassing
they mustn't be canvassing	I mustn't have canvassed
you mustn't have canvassed
he mustn't have canvassed
we mustn't have canvassed
you mustn't have canvassed
they mustn't have canvassed	I mustn't have been canvassing
you mustn't have been canvassing
he mustn't have been canvassing
we mustn't have been canvassing
you mustn't have been canvassing
they mustn't have been canvassing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I canvass?
must you canvass?
must he canvass?
must we canvass?
must you canvass?
must they canvass? 	must I be canvassing?
must you be canvassing?
must he be canvassing?
must we be canvassing?
must you be canvassing?
must they be canvassing? 	must I have canvassed?
must you have canvassed?
must he have canvassed?
must we have canvassed?
must you have canvassed?
must they have canvassed? 	must I have been canvassing?
must you have been canvassing?
must he have been canvassing?
must we have been canvassing?
must you have been canvassing?
must they have been canvassing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I canvass?
mustn't you canvass?
mustn't he canvass?
mustn't we canvass?
mustn't you canvass?
mustn't they canvass? 	mustn't I be canvassing?
mustn't you be canvassing?
mustn't he be canvassing?
mustn't we be canvassing?
mustn't you be canvassing?
mustn't they be canvassing? 	mustn't I have canvassed?
mustn't you have canvassed?
mustn't he have canvassed?
mustn't we have canvassed?
mustn't you have canvassed?
mustn't they have canvassed? 	mustn't I have been canvassing?
mustn't you have been canvassing?
mustn't he have been canvassing?
mustn't we have been canvassing?
mustn't you have been canvassing?
mustn't they have been canvassing?