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