Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could occupy occupy you could occupy occupy she could occupy occupy we could occupy occupy you could occupy occupy they could occupy occupy
V-ing form
I could be occupy occupying you could be occupy occupying she could be occupy occupying we could be occupy occupying you could be occupy occupying they could be occupy occupying
Perfect
I could have occupy occupied you could have occupy occupied she could have occupy occupied we could have occupy occupied you could have occupy occupied they could have occupy occupied
V-ing perfect
I could have been occupy occupying you could have been occupy occupying she could have been occupy occupying we could have been occupy occupying you could have been occupy occupying they could have been occupy occupying
Negation
Simple form
I could not occupy occupy you could not occupy occupy she could not occupy occupy we could not occupy occupy you could not occupy occupy they could not occupy occupy
V-ing form
I could not be occupy occupying you could not be occupy occupying she could not be occupy occupying we could not be occupy occupying you could not be occupy occupying they could not be occupy occupying
Perfect
I could not have occupy occupied you could not have occupy occupied she could not have occupy occupied we could not have occupy occupied you could not have occupy occupied they could not have occupy occupied
V-ing perfect
I could not have been occupy occupying you could not have been occupy occupying she could not have been occupy occupying we could not have been occupy occupying you could not have been occupy occupying they could not have been occupy occupying
Interrogative form
Simple form
could I occupy occupy? could you occupy occupy? could she occupy occupy? could we occupy occupy? could you occupy occupy? could they occupy occupy?
V-ing form
could I be occupy occupying? could you be occupy occupying? could she be occupy occupying? could we be occupy occupying? could you be occupy occupying? could they be occupy occupying?
Perfect
could I have occupy occupied? could you have occupy occupied? could she have occupy occupied? could we have occupy occupied? could you have occupy occupied? could they have occupy occupied?
V-ing perfect
could I have been occupy occupying? could you have been occupy occupying? could she have been occupy occupying? could we have been occupy occupying? could you have been occupy occupying? could they have been occupy occupying?
Interro-negative form
Simple form
could I not occupy occupy? could you not occupy occupy? could she not occupy occupy? could we not occupy occupy? could you not occupy occupy? could they not occupy occupy?
V-ing form
could I not be occupy occupying? could you not be occupy occupying? could she not be occupy occupying? could we not be occupy occupying? could you not be occupy occupying? could they not be occupy occupying?
Perfect
could I not have occupy occupied? could you not have occupy occupied? could she not have occupy occupied? could we not have occupy occupied? could you not have occupy occupied? could they not have occupy occupied?
V-ing perfect
could I not have been occupy occupying? could you not have been occupy occupying? could she not have been occupy occupying? could we not have been occupy occupying? could you not have been occupy occupying? could they not have been occupy occupying?