I may pilfer you may pilfer he may pilfer we may pilfer you may pilfer they may pilfer
V-ing form
I may be pilfering you may be pilfering he may be pilfering we may be pilfering you may be pilfering they may be pilfering
Perfect
I may have pilfered you may have pilfered he may have pilfered we may have pilfered you may have pilfered they may have pilfered
V-ing perfect
I may have been pilfering you may have been pilfering he may have been pilfering we may have been pilfering you may have been pilfering they may have been pilfering
Negation
Simple form
I mayn't pilfer you mayn't pilfer he mayn't pilfer we mayn't pilfer you mayn't pilfer they mayn't pilfer
V-ing form
I mayn't be pilfering you mayn't be pilfering he mayn't be pilfering we mayn't be pilfering you mayn't be pilfering they mayn't be pilfering
Perfect
I mayn't have pilfered you mayn't have pilfered he mayn't have pilfered we mayn't have pilfered you mayn't have pilfered they mayn't have pilfered
V-ing perfect
I mayn't have been pilfering you mayn't have been pilfering he mayn't have been pilfering we mayn't have been pilfering you mayn't have been pilfering they mayn't have been pilfering
Interrogative form
Simple form
may I pilfer? may you pilfer? may he pilfer? may we pilfer? may you pilfer? may they pilfer?
V-ing form
may I be pilfering? may you be pilfering? may he be pilfering? may we be pilfering? may you be pilfering? may they be pilfering?
Perfect
may I have pilfered? may you have pilfered? may he have pilfered? may we have pilfered? may you have pilfered? may they have pilfered?
V-ing perfect
may I have been pilfering? may you have been pilfering? may he have been pilfering? may we have been pilfering? may you have been pilfering? may they have been pilfering?
Interro-negative form
Simple form
mayn't I pilfer? mayn't you pilfer? mayn't he pilfer? mayn't we pilfer? mayn't you pilfer? mayn't they pilfer?
V-ing form
mayn't I be pilfering? mayn't you be pilfering? mayn't he be pilfering? mayn't we be pilfering? mayn't you be pilfering? mayn't they be pilfering?
Perfect
mayn't I have pilfered? mayn't you have pilfered? mayn't he have pilfered? mayn't we have pilfered? mayn't you have pilfered? mayn't they have pilfered?
V-ing perfect
mayn't I have been pilfering? mayn't you have been pilfering? mayn't he have been pilfering? mayn't we have been pilfering? mayn't you have been pilfering? mayn't they have been pilfering?