English verb conjugation
MUST COMPANION

Regular verb: companion - companioned - companioned

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?