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