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