must companion
Regular verb: companion - companioned- companioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must companion
you must companion
he must companion
we must companion
you must companion
they must companion 	I must be companioning
you must be companioning
he must be companioning
we must be companioning
you must be companioning
they must be companioning	I must have companioned
you must have companioned
he must have companioned
we must have companioned
you must have companioned
they must have companioned	I must have been companioning
you must have been companioning
he must have been companioning
we must have been companioning
you must have been companioning
they must have been companioning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not companion
you must not companion
he must not companion
we must not companion
you must not companion
they must not companion 	I must not be companioning
you must not be companioning
he must not be companioning
we must not be companioning
you must not be companioning
they must not be companioning	I must not have companioned
you must not have companioned
he must not have companioned
we must not have companioned
you must not have companioned
they must not have companioned	I must not have been companioning
you must not have been companioning
he must not have been companioning
we must not have been companioning
you must not have been companioning
they must not have been companioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I companion?
must you companion?
must he companion?
must we companion?
must you companion?
must they companion? 	must I be companioning?
must you be companioning?
must he be companioning?
must we be companioning?
must you be companioning?
must they be companioning? 	must I have companioned?
must you have companioned?
must he have companioned?
must we have companioned?
must you have companioned?
must they have companioned? 	must I have been companioning?
must you have been companioning?
must he have been companioning?
must we have been companioning?
must you have been companioning?
must they have been companioning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not companion?
must you not companion?
must he not companion?
must we not companion?
must you not companion?
must they not companion? 	must I not be companioning?
must you not be companioning?
must he not be companioning?
must we not be companioning?
must you not be companioning?
must they not be companioning? 	must I not have companioned?
must you not have companioned?
must he not have companioned?
must we not have companioned?
must you not have companioned?
must they not have companioned? 	must I not have been companioning?
must you not have been companioning?
must he not have been companioning?
must we not have been companioning?
must you not have been companioning?
must they not have been companioning?