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 must not boomerang
you must not boomerang
he must not boomerang
we must not boomerang
you must not boomerang
they must not boomerang 	I must not be boomeranging
you must not be boomeranging
he must not be boomeranging
we must not be boomeranging
you must not be boomeranging
they must not be boomeranging	I must not have boomeranged
you must not have boomeranged
he must not have boomeranged
we must not have boomeranged
you must not have boomeranged
they must not have boomeranged	I must not have been boomeranging
you must not have been boomeranging
he must not have been boomeranging
we must not have been boomeranging
you must not have been boomeranging
they must not 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 	
must I not boomerang?
must you not boomerang?
must he not boomerang?
must we not boomerang?
must you not boomerang?
must they not boomerang? 	must I not be boomeranging?
must you not be boomeranging?
must he not be boomeranging?
must we not be boomeranging?
must you not be boomeranging?
must they not be boomeranging? 	must I not have boomeranged?
must you not have boomeranged?
must he not have boomeranged?
must we not have boomeranged?
must you not have boomeranged?
must they not have boomeranged? 	must I not have been boomeranging?
must you not have been boomeranging?
must he not have been boomeranging?
must we not have been boomeranging?
must you not have been boomeranging?
must they not have been boomeranging?