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 mayn't taper you mayn't taper he mayn't taper we mayn't taper you mayn't taper they mayn't taper
V-ing form
I mayn't be tapering you mayn't be tapering he mayn't be tapering we mayn't be tapering you mayn't be tapering they mayn't be tapering
Perfect
I mayn't have tapered you mayn't have tapered he mayn't have tapered we mayn't have tapered you mayn't have tapered they mayn't have tapered
V-ing perfect
I mayn't have been tapering you mayn't have been tapering he mayn't have been tapering we mayn't have been tapering you mayn't have been tapering they mayn't 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
mayn't I taper? mayn't you taper? mayn't he taper? mayn't we taper? mayn't you taper? mayn't they taper?
V-ing form
mayn't I be tapering? mayn't you be tapering? mayn't he be tapering? mayn't we be tapering? mayn't you be tapering? mayn't they be tapering?
Perfect
mayn't I have tapered? mayn't you have tapered? mayn't he have tapered? mayn't we have tapered? mayn't you have tapered? mayn't they have tapered?
V-ing perfect
mayn't I have been tapering? mayn't you have been tapering? mayn't he have been tapering? mayn't we have been tapering? mayn't you have been tapering? mayn't they have been tapering?