must vitalise
Regular verb: vitalise - vitalised- vitalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must vitalise
you must vitalise
he must vitalise
we must vitalise
you must vitalise
they must vitalise 	I must be vitalising
you must be vitalising
he must be vitalising
we must be vitalising
you must be vitalising
they must be vitalising	I must have vitalised
you must have vitalised
he must have vitalised
we must have vitalised
you must have vitalised
they must have vitalised	I must have been vitalising
you must have been vitalising
he must have been vitalising
we must have been vitalising
you must have been vitalising
they must have been vitalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't vitalise
you mustn't vitalise
he mustn't vitalise
we mustn't vitalise
you mustn't vitalise
they mustn't vitalise 	I mustn't be vitalising
you mustn't be vitalising
he mustn't be vitalising
we mustn't be vitalising
you mustn't be vitalising
they mustn't be vitalising	I mustn't have vitalised
you mustn't have vitalised
he mustn't have vitalised
we mustn't have vitalised
you mustn't have vitalised
they mustn't have vitalised	I mustn't have been vitalising
you mustn't have been vitalising
he mustn't have been vitalising
we mustn't have been vitalising
you mustn't have been vitalising
they mustn't have been vitalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I vitalise?
must you vitalise?
must he vitalise?
must we vitalise?
must you vitalise?
must they vitalise? 	must I be vitalising?
must you be vitalising?
must he be vitalising?
must we be vitalising?
must you be vitalising?
must they be vitalising? 	must I have vitalised?
must you have vitalised?
must he have vitalised?
must we have vitalised?
must you have vitalised?
must they have vitalised? 	must I have been vitalising?
must you have been vitalising?
must he have been vitalising?
must we have been vitalising?
must you have been vitalising?
must they have been vitalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I vitalise?
mustn't you vitalise?
mustn't he vitalise?
mustn't we vitalise?
mustn't you vitalise?
mustn't they vitalise? 	mustn't I be vitalising?
mustn't you be vitalising?
mustn't he be vitalising?
mustn't we be vitalising?
mustn't you be vitalising?
mustn't they be vitalising? 	mustn't I have vitalised?
mustn't you have vitalised?
mustn't he have vitalised?
mustn't we have vitalised?
mustn't you have vitalised?
mustn't they have vitalised? 	mustn't I have been vitalising?
mustn't you have been vitalising?
mustn't he have been vitalising?
mustn't we have been vitalising?
mustn't you have been vitalising?
mustn't they have been vitalising?