English verb conjugation
CAN POSSESS

Regular verb: possess - possessed - possessed

Affirmation

Simple form	V-ing form
I can possess you can possess he can possess we can possess you can possess they can possess	I can be possessing you can be possessing he can be possessing we can be possessing you can be possessing they can be possessing
Perfect	V-ing perfect
I can have possessed you can have possessed he can have possessed we can have possessed you can have possessed they can have possessed	I can have been possessing you can have been possessing he can have been possessing we can have been possessing you can have been possessing they can have been possessing

Negation

Simple form	V-ing form
I cannot possess you cannot possess he cannot possess we cannot possess you cannot possess they cannot possess	I cannot be possessing you cannot be possessing he cannot be possessing we cannot be possessing you cannot be possessing they cannot be possessing
Perfect	V-ing perfect
I cannot have possessed you cannot have possessed he cannot have possessed we cannot have possessed you cannot have possessed they cannot have possessed	I cannot have been possessing you cannot have been possessing he cannot have been possessing we cannot have been possessing you cannot have been possessing they cannot have been possessing

Interrogative form

Simple form	V-ing form
can I possess? can you possess? can he possess? can we possess? can you possess? can they possess?	can I be possessing? can you be possessing? can he be possessing? can we be possessing? can you be possessing? can they be possessing?
Perfect	V-ing perfect
can I have possessed? can you have possessed? can he have possessed? can we have possessed? can you have possessed? can they have possessed?	can I have been possessing? can you have been possessing? can he have been possessing? can we have been possessing? can you have been possessing? can they have been possessing?

Interro-negative form

Simple form	V-ing form
can I not possess? can you not possess? can he not possess? can we not possess? can you not possess? can they not possess?	can I not be possessing? can you not be possessing? can he not be possessing? can we not be possessing? can you not be possessing? can they not be possessing?
Perfect	V-ing perfect
can I not have possessed? can you not have possessed? can he not have possessed? can we not have possessed? can you not have possessed? can they not have possessed?	can I not have been possessing? can you not have been possessing? can he not have been possessing? can we not have been possessing? can you not have been possessing? can they not have been possessing?