I can beacon you can beacon he can beacon we can beacon you can beacon they can beacon
V-ing form
I can be beaconing you can be beaconing he can be beaconing we can be beaconing you can be beaconing they can be beaconing
Perfect
I can have beaconed you can have beaconed he can have beaconed we can have beaconed you can have beaconed they can have beaconed
V-ing perfect
I can have been beaconing you can have been beaconing he can have been beaconing we can have been beaconing you can have been beaconing they can have been beaconing
Negation
Simple form
I cannot beacon you cannot beacon he cannot beacon we cannot beacon you cannot beacon they cannot beacon
V-ing form
I cannot be beaconing you cannot be beaconing he cannot be beaconing we cannot be beaconing you cannot be beaconing they cannot be beaconing
Perfect
I cannot have beaconed you cannot have beaconed he cannot have beaconed we cannot have beaconed you cannot have beaconed they cannot have beaconed
V-ing perfect
I cannot have been beaconing you cannot have been beaconing he cannot have been beaconing we cannot have been beaconing you cannot have been beaconing they cannot have been beaconing
Interrogative form
Simple form
can I beacon? can you beacon? can he beacon? can we beacon? can you beacon? can they beacon?
V-ing form
can I be beaconing? can you be beaconing? can he be beaconing? can we be beaconing? can you be beaconing? can they be beaconing?
Perfect
can I have beaconed? can you have beaconed? can he have beaconed? can we have beaconed? can you have beaconed? can they have beaconed?
V-ing perfect
can I have been beaconing? can you have been beaconing? can he have been beaconing? can we have been beaconing? can you have been beaconing? can they have been beaconing?
Interro-negative form
Simple form
can I not beacon? can you not beacon? can he not beacon? can we not beacon? can you not beacon? can they not beacon?
V-ing form
can I not be beaconing? can you not be beaconing? can he not be beaconing? can we not be beaconing? can you not be beaconing? can they not be beaconing?
Perfect
can I not have beaconed? can you not have beaconed? can he not have beaconed? can we not have beaconed? can you not have beaconed? can they not have beaconed?
V-ing perfect
can I not have been beaconing? can you not have been beaconing? can he not have been beaconing? can we not have been beaconing? can you not have been beaconing? can they not have been beaconing?