I could procure you could procure she could procure we could procure you could procure they could procure
V-ing form
I could be procuring you could be procuring she could be procuring we could be procuring you could be procuring they could be procuring
Perfect
I could have procured you could have procured she could have procured we could have procured you could have procured they could have procured
V-ing perfect
I could have been procuring you could have been procuring she could have been procuring we could have been procuring you could have been procuring they could have been procuring
Negation
Simple form
I could not procure you could not procure she could not procure we could not procure you could not procure they could not procure
V-ing form
I could not be procuring you could not be procuring she could not be procuring we could not be procuring you could not be procuring they could not be procuring
Perfect
I could not have procured you could not have procured she could not have procured we could not have procured you could not have procured they could not have procured
V-ing perfect
I could not have been procuring you could not have been procuring she could not have been procuring we could not have been procuring you could not have been procuring they could not have been procuring
Interrogative form
Simple form
could I procure? could you procure? could she procure? could we procure? could you procure? could they procure?
V-ing form
could I be procuring? could you be procuring? could she be procuring? could we be procuring? could you be procuring? could they be procuring?
Perfect
could I have procured? could you have procured? could she have procured? could we have procured? could you have procured? could they have procured?
V-ing perfect
could I have been procuring? could you have been procuring? could she have been procuring? could we have been procuring? could you have been procuring? could they have been procuring?
Interro-negative form
Simple form
could I not procure? could you not procure? could she not procure? could we not procure? could you not procure? could they not procure?
V-ing form
could I not be procuring? could you not be procuring? could she not be procuring? could we not be procuring? could you not be procuring? could they not be procuring?
Perfect
could I not have procured? could you not have procured? could she not have procured? could we not have procured? could you not have procured? could they not have procured?
V-ing perfect
could I not have been procuring? could you not have been procuring? could she not have been procuring? could we not have been procuring? could you not have been procuring? could they not have been procuring?