must boomerang
Regular verb: boomerang - boomeranged- boomeranged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must boomerang
you must boomerang
he must boomerang
we must boomerang
you must boomerang
they must boomerang 	I must be boomeranging
you must be boomeranging
he must be boomeranging
we must be boomeranging
you must be boomeranging
they must be boomeranging	I must have boomeranged
you must have boomeranged
he must have boomeranged
we must have boomeranged
you must have boomeranged
they must have boomeranged	I must have been boomeranging
you must have been boomeranging
he must have been boomeranging
we must have been boomeranging
you must have been boomeranging
they must have been boomeranging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't boomerang
you mustn't boomerang
he mustn't boomerang
we mustn't boomerang
you mustn't boomerang
they mustn't boomerang 	I mustn't be boomeranging
you mustn't be boomeranging
he mustn't be boomeranging
we mustn't be boomeranging
you mustn't be boomeranging
they mustn't be boomeranging	I mustn't have boomeranged
you mustn't have boomeranged
he mustn't have boomeranged
we mustn't have boomeranged
you mustn't have boomeranged
they mustn't have boomeranged	I mustn't have been boomeranging
you mustn't have been boomeranging
he mustn't have been boomeranging
we mustn't have been boomeranging
you mustn't have been boomeranging
they mustn't have been boomeranging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I boomerang?
must you boomerang?
must he boomerang?
must we boomerang?
must you boomerang?
must they boomerang? 	must I be boomeranging?
must you be boomeranging?
must he be boomeranging?
must we be boomeranging?
must you be boomeranging?
must they be boomeranging? 	must I have boomeranged?
must you have boomeranged?
must he have boomeranged?
must we have boomeranged?
must you have boomeranged?
must they have boomeranged? 	must I have been boomeranging?
must you have been boomeranging?
must he have been boomeranging?
must we have been boomeranging?
must you have been boomeranging?
must they have been boomeranging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I boomerang?
mustn't you boomerang?
mustn't he boomerang?
mustn't we boomerang?
mustn't you boomerang?
mustn't they boomerang? 	mustn't I be boomeranging?
mustn't you be boomeranging?
mustn't he be boomeranging?
mustn't we be boomeranging?
mustn't you be boomeranging?
mustn't they be boomeranging? 	mustn't I have boomeranged?
mustn't you have boomeranged?
mustn't he have boomeranged?
mustn't we have boomeranged?
mustn't you have boomeranged?
mustn't they have boomeranged? 	mustn't I have been boomeranging?
mustn't you have been boomeranging?
mustn't he have been boomeranging?
mustn't we have been boomeranging?
mustn't you have been boomeranging?
mustn't they have been boomeranging?