I'd be countermarching you'd be countermarching he'd be countermarching we'd be countermarching you'd be countermarching they'd be countermarching
Perfect
I should've countermarched you should've countermarched he should've countermarched we should've countermarched you should've countermarched they should've countermarched
V-ing perfect
I should've been countermarching you should've been countermarching he should've been countermarching we should've been countermarching you should've been countermarching they should've been countermarching
Negation
Simple form
I shouldn't countermarch you shouldn't countermarch he shouldn't countermarch we shouldn't countermarch you shouldn't countermarch they shouldn't countermarch
V-ing form
I shouldn't be countermarching you shouldn't be countermarching he shouldn't be countermarching we shouldn't be countermarching you shouldn't be countermarching they shouldn't be countermarching
Perfect
I shouldn't have countermarched you shouldn't have countermarched he shouldn't have countermarched we shouldn't have countermarched you shouldn't have countermarched they shouldn't have countermarched
V-ing perfect
I shouldn't have been countermarching you shouldn't have been countermarching he shouldn't have been countermarching we shouldn't have been countermarching you shouldn't have been countermarching they shouldn't have been countermarching
Interrogative form
Simple form
should I countermarch? should you countermarch? should he countermarch? should we countermarch? should you countermarch? should they countermarch?
V-ing form
should I be countermarching? should you be countermarching? should he be countermarching? should we be countermarching? should you be countermarching? should they be countermarching?
Perfect
should I have countermarched? should you have countermarched? should he have countermarched? should we have countermarched? should you have countermarched? should they have countermarched?
V-ing perfect
should I have been countermarching? should you have been countermarching? should he have been countermarching? should we have been countermarching? should you have been countermarching? should they have been countermarching?
Interro-negative form
Simple form
shouldn't I countermarch? shouldn't you countermarch? shouldn't he countermarch? shouldn't we countermarch? shouldn't you countermarch? shouldn't they countermarch?
V-ing form
shouldn't I be countermarching? shouldn't you be countermarching? shouldn't he be countermarching? shouldn't we be countermarching? shouldn't you be countermarching? shouldn't they be countermarching?
Perfect
shouldn't I have countermarched? shouldn't you have countermarched? shouldn't he have countermarched? shouldn't we have countermarched? shouldn't you have countermarched? shouldn't they have countermarched?
V-ing perfect
shouldn't I have been countermarching? shouldn't you have been countermarching? shouldn't he have been countermarching? shouldn't we have been countermarching? shouldn't you have been countermarching? shouldn't they have been countermarching?