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