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