must unionise
Regular verb: unionise - unionised- unionised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must unionise
you must unionise
he must unionise
we must unionise
you must unionise
they must unionise 	I must be unionising
you must be unionising
he must be unionising
we must be unionising
you must be unionising
they must be unionising	I must have unionised
you must have unionised
he must have unionised
we must have unionised
you must have unionised
they must have unionised	I must have been unionising
you must have been unionising
he must have been unionising
we must have been unionising
you must have been unionising
they must have been unionising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't unionise
you mustn't unionise
he mustn't unionise
we mustn't unionise
you mustn't unionise
they mustn't unionise 	I mustn't be unionising
you mustn't be unionising
he mustn't be unionising
we mustn't be unionising
you mustn't be unionising
they mustn't be unionising	I mustn't have unionised
you mustn't have unionised
he mustn't have unionised
we mustn't have unionised
you mustn't have unionised
they mustn't have unionised	I mustn't have been unionising
you mustn't have been unionising
he mustn't have been unionising
we mustn't have been unionising
you mustn't have been unionising
they mustn't have been unionising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I unionise?
must you unionise?
must he unionise?
must we unionise?
must you unionise?
must they unionise? 	must I be unionising?
must you be unionising?
must he be unionising?
must we be unionising?
must you be unionising?
must they be unionising? 	must I have unionised?
must you have unionised?
must he have unionised?
must we have unionised?
must you have unionised?
must they have unionised? 	must I have been unionising?
must you have been unionising?
must he have been unionising?
must we have been unionising?
must you have been unionising?
must they have been unionising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I unionise?
mustn't you unionise?
mustn't he unionise?
mustn't we unionise?
mustn't you unionise?
mustn't they unionise? 	mustn't I be unionising?
mustn't you be unionising?
mustn't he be unionising?
mustn't we be unionising?
mustn't you be unionising?
mustn't they be unionising? 	mustn't I have unionised?
mustn't you have unionised?
mustn't he have unionised?
mustn't we have unionised?
mustn't you have unionised?
mustn't they have unionised? 	mustn't I have been unionising?
mustn't you have been unionising?
mustn't he have been unionising?
mustn't we have been unionising?
mustn't you have been unionising?
mustn't they have been unionising?