I should choke you should choke she should choke we should choke you should choke they should choke
V-ing form
I should be choking you should be choking she should be choking we should be choking you should be choking they should be choking
Perfect
I should have choked you should have choked she should have choked we should have choked you should have choked they should have choked
V-ing perfect
I should have been choking you should have been choking she should have been choking we should have been choking you should have been choking they should have been choking
Negation
Simple form
I should not choke you should not choke she should not choke we should not choke you should not choke they should not choke
V-ing form
I should not be choking you should not be choking she should not be choking we should not be choking you should not be choking they should not be choking
Perfect
I should not have choked you should not have choked she should not have choked we should not have choked you should not have choked they should not have choked
V-ing perfect
I should not have been choking you should not have been choking she should not have been choking we should not have been choking you should not have been choking they should not have been choking
Interrogative form
Simple form
should I choke? should you choke? should she choke? should we choke? should you choke? should they choke?
V-ing form
should I be choking? should you be choking? should she be choking? should we be choking? should you be choking? should they be choking?
Perfect
should I have choked? should you have choked? should she have choked? should we have choked? should you have choked? should they have choked?
V-ing perfect
should I have been choking? should you have been choking? should she have been choking? should we have been choking? should you have been choking? should they have been choking?
Interro-negative form
Simple form
should I not choke? should you not choke? should she not choke? should we not choke? should you not choke? should they not choke?
V-ing form
should I not be choking? should you not be choking? should she not be choking? should we not be choking? should you not be choking? should they not be choking?
Perfect
should I not have choked? should you not have choked? should she not have choked? should we not have choked? should you not have choked? should they not have choked?
V-ing perfect
should I not have been choking? should you not have been choking? should she not have been choking? should we not have been choking? should you not have been choking? should they not have been choking?