must cannibalise
Regular verb: cannibalise - cannibalised- cannibalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must cannibalise
you must cannibalise
he must cannibalise
we must cannibalise
you must cannibalise
they must cannibalise 	I must be cannibalising
you must be cannibalising
he must be cannibalising
we must be cannibalising
you must be cannibalising
they must be cannibalising	I must have cannibalised
you must have cannibalised
he must have cannibalised
we must have cannibalised
you must have cannibalised
they must have cannibalised	I must have been cannibalising
you must have been cannibalising
he must have been cannibalising
we must have been cannibalising
you must have been cannibalising
they must have been cannibalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't cannibalise
you mustn't cannibalise
he mustn't cannibalise
we mustn't cannibalise
you mustn't cannibalise
they mustn't cannibalise 	I mustn't be cannibalising
you mustn't be cannibalising
he mustn't be cannibalising
we mustn't be cannibalising
you mustn't be cannibalising
they mustn't be cannibalising	I mustn't have cannibalised
you mustn't have cannibalised
he mustn't have cannibalised
we mustn't have cannibalised
you mustn't have cannibalised
they mustn't have cannibalised	I mustn't have been cannibalising
you mustn't have been cannibalising
he mustn't have been cannibalising
we mustn't have been cannibalising
you mustn't have been cannibalising
they mustn't have been cannibalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I cannibalise?
must you cannibalise?
must he cannibalise?
must we cannibalise?
must you cannibalise?
must they cannibalise? 	must I be cannibalising?
must you be cannibalising?
must he be cannibalising?
must we be cannibalising?
must you be cannibalising?
must they be cannibalising? 	must I have cannibalised?
must you have cannibalised?
must he have cannibalised?
must we have cannibalised?
must you have cannibalised?
must they have cannibalised? 	must I have been cannibalising?
must you have been cannibalising?
must he have been cannibalising?
must we have been cannibalising?
must you have been cannibalising?
must they have been cannibalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I cannibalise?
mustn't you cannibalise?
mustn't he cannibalise?
mustn't we cannibalise?
mustn't you cannibalise?
mustn't they cannibalise? 	mustn't I be cannibalising?
mustn't you be cannibalising?
mustn't he be cannibalising?
mustn't we be cannibalising?
mustn't you be cannibalising?
mustn't they be cannibalising? 	mustn't I have cannibalised?
mustn't you have cannibalised?
mustn't he have cannibalised?
mustn't we have cannibalised?
mustn't you have cannibalised?
mustn't they have cannibalised? 	mustn't I have been cannibalising?
mustn't you have been cannibalising?
mustn't he have been cannibalising?
mustn't we have been cannibalising?
mustn't you have been cannibalising?
mustn't they have been cannibalising?