I should taper you should taper he should taper we should taper you should taper they should taper
V-ing form
I should be tapering you should be tapering he should be tapering we should be tapering you should be tapering they should be tapering
Perfect
I should have tapered you should have tapered he should have tapered we should have tapered you should have tapered they should have tapered
V-ing perfect
I should have been tapering you should have been tapering he should have been tapering we should have been tapering you should have been tapering they should have been tapering
Negation
Simple form
I should not taper you should not taper he should not taper we should not taper you should not taper they should not taper
V-ing form
I should not be tapering you should not be tapering he should not be tapering we should not be tapering you should not be tapering they should not be tapering
Perfect
I should not have tapered you should not have tapered he should not have tapered we should not have tapered you should not have tapered they should not have tapered
V-ing perfect
I should not have been tapering you should not have been tapering he should not have been tapering we should not have been tapering you should not have been tapering they should not have been tapering
Interrogative form
Simple form
should I taper? should you taper? should he taper? should we taper? should you taper? should they taper?
V-ing form
should I be tapering? should you be tapering? should he be tapering? should we be tapering? should you be tapering? should they be tapering?
Perfect
should I have tapered? should you have tapered? should he have tapered? should we have tapered? should you have tapered? should they have tapered?
V-ing perfect
should I have been tapering? should you have been tapering? should he have been tapering? should we have been tapering? should you have been tapering? should they have been tapering?
Interro-negative form
Simple form
should I not taper? should you not taper? should he not taper? should we not taper? should you not taper? should they not taper?
V-ing form
should I not be tapering? should you not be tapering? should he not be tapering? should we not be tapering? should you not be tapering? should they not be tapering?
Perfect
should I not have tapered? should you not have tapered? should he not have tapered? should we not have tapered? should you not have tapered? should they not have tapered?
V-ing perfect
should I not have been tapering? should you not have been tapering? should he not have been tapering? should we not have been tapering? should you not have been tapering? should they not have been tapering?