I should lunch you should lunch she should lunch we should lunch you should lunch they should lunch
V-ing form
I should be lunching you should be lunching she should be lunching we should be lunching you should be lunching they should be lunching
Perfect
I should have lunched you should have lunched she should have lunched we should have lunched you should have lunched they should have lunched
V-ing perfect
I should have been lunching you should have been lunching she should have been lunching we should have been lunching you should have been lunching they should have been lunching
Negation
Simple form
I should not lunch you should not lunch she should not lunch we should not lunch you should not lunch they should not lunch
V-ing form
I should not be lunching you should not be lunching she should not be lunching we should not be lunching you should not be lunching they should not be lunching
Perfect
I should not have lunched you should not have lunched she should not have lunched we should not have lunched you should not have lunched they should not have lunched
V-ing perfect
I should not have been lunching you should not have been lunching she should not have been lunching we should not have been lunching you should not have been lunching they should not have been lunching
Interrogative form
Simple form
should I lunch? should you lunch? should she lunch? should we lunch? should you lunch? should they lunch?
V-ing form
should I be lunching? should you be lunching? should she be lunching? should we be lunching? should you be lunching? should they be lunching?
Perfect
should I have lunched? should you have lunched? should she have lunched? should we have lunched? should you have lunched? should they have lunched?
V-ing perfect
should I have been lunching? should you have been lunching? should she have been lunching? should we have been lunching? should you have been lunching? should they have been lunching?
Interro-negative form
Simple form
should I not lunch? should you not lunch? should she not lunch? should we not lunch? should you not lunch? should they not lunch?
V-ing form
should I not be lunching? should you not be lunching? should she not be lunching? should we not be lunching? should you not be lunching? should they not be lunching?
Perfect
should I not have lunched? should you not have lunched? should she not have lunched? should we not have lunched? should you not have lunched? should they not have lunched?
V-ing perfect
should I not have been lunching? should you not have been lunching? should she not have been lunching? should we not have been lunching? should you not have been lunching? should they not have been lunching?