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