English verb conjugation
CAN POSSESS

Regular verb: possess - possessed - possessed

Affirmation

Simple form	V-ing form
I can possess you can possess she can possess we can possess you can possess they can possess	I can be possessing you can be possessing she 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 she 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 she 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 can't possess you can't possess she can't possess we can't possess you can't possess they can't possess	I can't be possessing you can't be possessing she can't be possessing we can't be possessing you can't be possessing they can't be possessing
Perfect	V-ing perfect
I can't have possessed you can't have possessed she can't have possessed we can't have possessed you can't have possessed they can't have possessed	I can't have been possessing you can't have been possessing she can't have been possessing we can't have been possessing you can't have been possessing they can't have been possessing

Interrogative form

Simple form	V-ing form
can I possess? can you possess? can she possess? can we possess? can you possess? can they possess?	can I be possessing? can you be possessing? can she 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 she 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 she 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't I possess? can't you possess? can't she possess? can't we possess? can't you possess? can't they possess?	can't I be possessing? can't you be possessing? can't she be possessing? can't we be possessing? can't you be possessing? can't they be possessing?
Perfect	V-ing perfect
can't I have possessed? can't you have possessed? can't she have possessed? can't we have possessed? can't you have possessed? can't they have possessed?	can't I have been possessing? can't you have been possessing? can't she have been possessing? can't we have been possessing? can't you have been possessing? can't they have been possessing?