must scrum
Regular verb: scrum - scrumed- scrumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must scrum
you must scrum
he must scrum
we must scrum
you must scrum
they must scrum 	I must be scruming
you must be scruming
he must be scruming
we must be scruming
you must be scruming
they must be scruming	I must have scrumed
you must have scrumed
he must have scrumed
we must have scrumed
you must have scrumed
they must have scrumed	I must have been scruming
you must have been scruming
he must have been scruming
we must have been scruming
you must have been scruming
they must have been scruming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not scrum
you must not scrum
he must not scrum
we must not scrum
you must not scrum
they must not scrum 	I must not be scruming
you must not be scruming
he must not be scruming
we must not be scruming
you must not be scruming
they must not be scruming	I must not have scrumed
you must not have scrumed
he must not have scrumed
we must not have scrumed
you must not have scrumed
they must not have scrumed	I must not have been scruming
you must not have been scruming
he must not have been scruming
we must not have been scruming
you must not have been scruming
they must not have been scruming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I scrum?
must you scrum?
must he scrum?
must we scrum?
must you scrum?
must they scrum? 	must I be scruming?
must you be scruming?
must he be scruming?
must we be scruming?
must you be scruming?
must they be scruming? 	must I have scrumed?
must you have scrumed?
must he have scrumed?
must we have scrumed?
must you have scrumed?
must they have scrumed? 	must I have been scruming?
must you have been scruming?
must he have been scruming?
must we have been scruming?
must you have been scruming?
must they have been scruming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not scrum?
must you not scrum?
must he not scrum?
must we not scrum?
must you not scrum?
must they not scrum? 	must I not be scruming?
must you not be scruming?
must he not be scruming?
must we not be scruming?
must you not be scruming?
must they not be scruming? 	must I not have scrumed?
must you not have scrumed?
must he not have scrumed?
must we not have scrumed?
must you not have scrumed?
must they not have scrumed? 	must I not have been scruming?
must you not have been scruming?
must he not have been scruming?
must we not have been scruming?
must you not have been scruming?
must they not have been scruming?