must legalise
Regular verb: legalise - legalised- legalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must legalise
you must legalise
he must legalise
we must legalise
you must legalise
they must legalise 	I must be legalising
you must be legalising
he must be legalising
we must be legalising
you must be legalising
they must be legalising	I must have legalised
you must have legalised
he must have legalised
we must have legalised
you must have legalised
they must have legalised	I must have been legalising
you must have been legalising
he must have been legalising
we must have been legalising
you must have been legalising
they must have been legalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't legalise
you mustn't legalise
he mustn't legalise
we mustn't legalise
you mustn't legalise
they mustn't legalise 	I mustn't be legalising
you mustn't be legalising
he mustn't be legalising
we mustn't be legalising
you mustn't be legalising
they mustn't be legalising	I mustn't have legalised
you mustn't have legalised
he mustn't have legalised
we mustn't have legalised
you mustn't have legalised
they mustn't have legalised	I mustn't have been legalising
you mustn't have been legalising
he mustn't have been legalising
we mustn't have been legalising
you mustn't have been legalising
they mustn't have been legalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I legalise?
must you legalise?
must he legalise?
must we legalise?
must you legalise?
must they legalise? 	must I be legalising?
must you be legalising?
must he be legalising?
must we be legalising?
must you be legalising?
must they be legalising? 	must I have legalised?
must you have legalised?
must he have legalised?
must we have legalised?
must you have legalised?
must they have legalised? 	must I have been legalising?
must you have been legalising?
must he have been legalising?
must we have been legalising?
must you have been legalising?
must they have been legalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I legalise?
mustn't you legalise?
mustn't he legalise?
mustn't we legalise?
mustn't you legalise?
mustn't they legalise? 	mustn't I be legalising?
mustn't you be legalising?
mustn't he be legalising?
mustn't we be legalising?
mustn't you be legalising?
mustn't they be legalising? 	mustn't I have legalised?
mustn't you have legalised?
mustn't he have legalised?
mustn't we have legalised?
mustn't you have legalised?
mustn't they have legalised? 	mustn't I have been legalising?
mustn't you have been legalising?
mustn't he have been legalising?
mustn't we have been legalising?
mustn't you have been legalising?
mustn't they have been legalising?