English verb conjugation
CAN BECKON

Regular verb: beckon - beckoned - beckoned

Affirmation

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

Negation

Simple form	V-ing form
I cannot beckon you cannot beckon she cannot beckon we cannot beckon you cannot beckon they cannot beckon	I cannot be beckoning you cannot be beckoning she cannot be beckoning we cannot be beckoning you cannot be beckoning they cannot be beckoning
Perfect	V-ing perfect
I cannot have beckoned you cannot have beckoned she cannot have beckoned we cannot have beckoned you cannot have beckoned they cannot have beckoned	I cannot have been beckoning you cannot have been beckoning she cannot have been beckoning we cannot have been beckoning you cannot have been beckoning they cannot have been beckoning

Interrogative form

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

Interro-negative form

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