I could docket you could docket he could docket we could docket you could docket they could docket
V-ing form
I could be docketing you could be docketing he could be docketing we could be docketing you could be docketing they could be docketing
Perfect
I could have docketed you could have docketed he could have docketed we could have docketed you could have docketed they could have docketed
V-ing perfect
I could have been docketing you could have been docketing he could have been docketing we could have been docketing you could have been docketing they could have been docketing
Negation
Simple form
I could not docket you could not docket he could not docket we could not docket you could not docket they could not docket
V-ing form
I could not be docketing you could not be docketing he could not be docketing we could not be docketing you could not be docketing they could not be docketing
Perfect
I could not have docketed you could not have docketed he could not have docketed we could not have docketed you could not have docketed they could not have docketed
V-ing perfect
I could not have been docketing you could not have been docketing he could not have been docketing we could not have been docketing you could not have been docketing they could not have been docketing
Interrogative form
Simple form
could I docket? could you docket? could he docket? could we docket? could you docket? could they docket?
V-ing form
could I be docketing? could you be docketing? could he be docketing? could we be docketing? could you be docketing? could they be docketing?
Perfect
could I have docketed? could you have docketed? could he have docketed? could we have docketed? could you have docketed? could they have docketed?
V-ing perfect
could I have been docketing? could you have been docketing? could he have been docketing? could we have been docketing? could you have been docketing? could they have been docketing?
Interro-negative form
Simple form
could I not docket? could you not docket? could he not docket? could we not docket? could you not docket? could they not docket?
V-ing form
could I not be docketing? could you not be docketing? could he not be docketing? could we not be docketing? could you not be docketing? could they not be docketing?
Perfect
could I not have docketed? could you not have docketed? could he not have docketed? could we not have docketed? could you not have docketed? could they not have docketed?
V-ing perfect
could I not have been docketing? could you not have been docketing? could he not have been docketing? could we not have been docketing? could you not have been docketing? could they not have been docketing?