I should patch you should patch she should patch we should patch you should patch they should patch
V-ing form
I should be patching you should be patching she should be patching we should be patching you should be patching they should be patching
Perfect
I should have patched you should have patched she should have patched we should have patched you should have patched they should have patched
V-ing perfect
I should have been patching you should have been patching she should have been patching we should have been patching you should have been patching they should have been patching
Negation
Simple form
I should not patch you should not patch she should not patch we should not patch you should not patch they should not patch
V-ing form
I should not be patching you should not be patching she should not be patching we should not be patching you should not be patching they should not be patching
Perfect
I should not have patched you should not have patched she should not have patched we should not have patched you should not have patched they should not have patched
V-ing perfect
I should not have been patching you should not have been patching she should not have been patching we should not have been patching you should not have been patching they should not have been patching
Interrogative form
Simple form
should I patch? should you patch? should she patch? should we patch? should you patch? should they patch?
V-ing form
should I be patching? should you be patching? should she be patching? should we be patching? should you be patching? should they be patching?
Perfect
should I have patched? should you have patched? should she have patched? should we have patched? should you have patched? should they have patched?
V-ing perfect
should I have been patching? should you have been patching? should she have been patching? should we have been patching? should you have been patching? should they have been patching?
Interro-negative form
Simple form
should I not patch? should you not patch? should she not patch? should we not patch? should you not patch? should they not patch?
V-ing form
should I not be patching? should you not be patching? should she not be patching? should we not be patching? should you not be patching? should they not be patching?
Perfect
should I not have patched? should you not have patched? should she not have patched? should we not have patched? should you not have patched? should they not have patched?
V-ing perfect
should I not have been patching? should you not have been patching? should she not have been patching? should we not have been patching? should you not have been patching? should they not have been patching?