English verb conjugation
MUST BECKON

Regular verb: beckon - beckoned - beckoned

Affirmation

Simple form	V-ing form
I must beckon you must beckon he must beckon we must beckon you must beckon they must beckon	I must be beckoning you must be beckoning he must be beckoning we must be beckoning you must be beckoning they must be beckoning
Perfect	V-ing perfect
I must have beckoned you must have beckoned he must have beckoned we must have beckoned you must have beckoned they must have beckoned	I must have been beckoning you must have been beckoning he must have been beckoning we must have been beckoning you must have been beckoning they must have been beckoning

Negation

Simple form	V-ing form
I must not beckon you must not beckon he must not beckon we must not beckon you must not beckon they must not beckon	I must not be beckoning you must not be beckoning he must not be beckoning we must not be beckoning you must not be beckoning they must not be beckoning
Perfect	V-ing perfect
I must not have beckoned you must not have beckoned he must not have beckoned we must not have beckoned you must not have beckoned they must not have beckoned	I must not have been beckoning you must not have been beckoning he must not have been beckoning we must not have been beckoning you must not have been beckoning they must not have been beckoning

Interrogative form

Simple form	V-ing form
must I beckon? must you beckon? must he beckon? must we beckon? must you beckon? must they beckon?	must I be beckoning? must you be beckoning? must he be beckoning? must we be beckoning? must you be beckoning? must they be beckoning?
Perfect	V-ing perfect
must I have beckoned? must you have beckoned? must he have beckoned? must we have beckoned? must you have beckoned? must they have beckoned?	must I have been beckoning? must you have been beckoning? must he have been beckoning? must we have been beckoning? must you have been beckoning? must they have been beckoning?

Interro-negative form

Simple form	V-ing form
must I not beckon? must you not beckon? must he not beckon? must we not beckon? must you not beckon? must they not beckon?	must I not be beckoning? must you not be beckoning? must he not be beckoning? must we not be beckoning? must you not be beckoning? must they not be beckoning?
Perfect	V-ing perfect
must I not have beckoned? must you not have beckoned? must he not have beckoned? must we not have beckoned? must you not have beckoned? must they not have beckoned?	must I not have been beckoning? must you not have been beckoning? must he not have been beckoning? must we not have been beckoning? must you not have been beckoning? must they not have been beckoning?