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