must vulcanise
Verbe régulier : vulcanise - vulcanised- vulcanised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must vulcanise
you must vulcanise
he must vulcanise
we must vulcanise
you must vulcanise
they must vulcanise 	I must be vulcanising
you must be vulcanising
he must be vulcanising
we must be vulcanising
you must be vulcanising
they must be vulcanising	I must have vulcanised
you must have vulcanised
he must have vulcanised
we must have vulcanised
you must have vulcanised
they must have vulcanised	I must have been vulcanising
you must have been vulcanising
he must have been vulcanising
we must have been vulcanising
you must have been vulcanising
they must have been vulcanising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't vulcanise
you mustn't vulcanise
he mustn't vulcanise
we mustn't vulcanise
you mustn't vulcanise
they mustn't vulcanise 	I mustn't be vulcanising
you mustn't be vulcanising
he mustn't be vulcanising
we mustn't be vulcanising
you mustn't be vulcanising
they mustn't be vulcanising	I mustn't have vulcanised
you mustn't have vulcanised
he mustn't have vulcanised
we mustn't have vulcanised
you mustn't have vulcanised
they mustn't have vulcanised	I mustn't have been vulcanising
you mustn't have been vulcanising
he mustn't have been vulcanising
we mustn't have been vulcanising
you mustn't have been vulcanising
they mustn't have been vulcanising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I vulcanise?
must you vulcanise?
must he vulcanise?
must we vulcanise?
must you vulcanise?
must they vulcanise? 	must I be vulcanising?
must you be vulcanising?
must he be vulcanising?
must we be vulcanising?
must you be vulcanising?
must they be vulcanising? 	must I have vulcanised?
must you have vulcanised?
must he have vulcanised?
must we have vulcanised?
must you have vulcanised?
must they have vulcanised? 	must I have been vulcanising?
must you have been vulcanising?
must he have been vulcanising?
must we have been vulcanising?
must you have been vulcanising?
must they have been vulcanising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I vulcanise?
mustn't you vulcanise?
mustn't he vulcanise?
mustn't we vulcanise?
mustn't you vulcanise?
mustn't they vulcanise? 	mustn't I be vulcanising?
mustn't you be vulcanising?
mustn't he be vulcanising?
mustn't we be vulcanising?
mustn't you be vulcanising?
mustn't they be vulcanising? 	mustn't I have vulcanised?
mustn't you have vulcanised?
mustn't he have vulcanised?
mustn't we have vulcanised?
mustn't you have vulcanised?
mustn't they have vulcanised? 	mustn't I have been vulcanising?
mustn't you have been vulcanising?
mustn't he have been vulcanising?
mustn't we have been vulcanising?
mustn't you have been vulcanising?
mustn't they have been vulcanising?