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