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