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