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