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