must metabolise
Regular verb: metabolise - metabolised- metabolised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must metabolise
you must metabolise
he must metabolise
we must metabolise
you must metabolise
they must metabolise 	I must be metabolising
you must be metabolising
he must be metabolising
we must be metabolising
you must be metabolising
they must be metabolising	I must have metabolised
you must have metabolised
he must have metabolised
we must have metabolised
you must have metabolised
they must have metabolised	I must have been metabolising
you must have been metabolising
he must have been metabolising
we must have been metabolising
you must have been metabolising
they must have been metabolising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't metabolise
you mustn't metabolise
he mustn't metabolise
we mustn't metabolise
you mustn't metabolise
they mustn't metabolise 	I mustn't be metabolising
you mustn't be metabolising
he mustn't be metabolising
we mustn't be metabolising
you mustn't be metabolising
they mustn't be metabolising	I mustn't have metabolised
you mustn't have metabolised
he mustn't have metabolised
we mustn't have metabolised
you mustn't have metabolised
they mustn't have metabolised	I mustn't have been metabolising
you mustn't have been metabolising
he mustn't have been metabolising
we mustn't have been metabolising
you mustn't have been metabolising
they mustn't have been metabolising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I metabolise?
must you metabolise?
must he metabolise?
must we metabolise?
must you metabolise?
must they metabolise? 	must I be metabolising?
must you be metabolising?
must he be metabolising?
must we be metabolising?
must you be metabolising?
must they be metabolising? 	must I have metabolised?
must you have metabolised?
must he have metabolised?
must we have metabolised?
must you have metabolised?
must they have metabolised? 	must I have been metabolising?
must you have been metabolising?
must he have been metabolising?
must we have been metabolising?
must you have been metabolising?
must they have been metabolising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I metabolise?
mustn't you metabolise?
mustn't he metabolise?
mustn't we metabolise?
mustn't you metabolise?
mustn't they metabolise? 	mustn't I be metabolising?
mustn't you be metabolising?
mustn't he be metabolising?
mustn't we be metabolising?
mustn't you be metabolising?
mustn't they be metabolising? 	mustn't I have metabolised?
mustn't you have metabolised?
mustn't he have metabolised?
mustn't we have metabolised?
mustn't you have metabolised?
mustn't they have metabolised? 	mustn't I have been metabolising?
mustn't you have been metabolising?
mustn't he have been metabolising?
mustn't we have been metabolising?
mustn't you have been metabolising?
mustn't they have been metabolising?