I must boomerang you must boomerang he must boomerang we must boomerang you must boomerang they must boomerang
V-ing form
I must be boomeranging you must be boomeranging he must be boomeranging we must be boomeranging you must be boomeranging they must be boomeranging
Perfect
I must have boomeranged you must have boomeranged he must have boomeranged we must have boomeranged you must have boomeranged they must have boomeranged
V-ing perfect
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
I must not boomerang you must not boomerang he must not boomerang we must not boomerang you must not boomerang they must not boomerang
V-ing form
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
Perfect
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
V-ing perfect
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
must I boomerang? must you boomerang? must he boomerang? must we boomerang? must you boomerang? must they boomerang?
V-ing form
must I be boomeranging? must you be boomeranging? must he be boomeranging? must we be boomeranging? must you be boomeranging? must they be boomeranging?
Perfect
must I have boomeranged? must you have boomeranged? must he have boomeranged? must we have boomeranged? must you have boomeranged? must they have boomeranged?
V-ing perfect
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
must I not boomerang? must you not boomerang? must he not boomerang? must we not boomerang? must you not boomerang? must they not boomerang?
V-ing form
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?
Perfect
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?
V-ing perfect
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?