I may silt you may silt she may silt we may silt you may silt they may silt
V-ing form
I may be silting you may be silting she may be silting we may be silting you may be silting they may be silting
Perfect
I may have silted you may have silted she may have silted we may have silted you may have silted they may have silted
V-ing perfect
I may have been silting you may have been silting she may have been silting we may have been silting you may have been silting they may have been silting
Negation
Simple form
I mayn't silt you mayn't silt she mayn't silt we mayn't silt you mayn't silt they mayn't silt
V-ing form
I mayn't be silting you mayn't be silting she mayn't be silting we mayn't be silting you mayn't be silting they mayn't be silting
Perfect
I mayn't have silted you mayn't have silted she mayn't have silted we mayn't have silted you mayn't have silted they mayn't have silted
V-ing perfect
I mayn't have been silting you mayn't have been silting she mayn't have been silting we mayn't have been silting you mayn't have been silting they mayn't have been silting
Interrogative form
Simple form
may I silt? may you silt? may she silt? may we silt? may you silt? may they silt?
V-ing form
may I be silting? may you be silting? may she be silting? may we be silting? may you be silting? may they be silting?
Perfect
may I have silted? may you have silted? may she have silted? may we have silted? may you have silted? may they have silted?
V-ing perfect
may I have been silting? may you have been silting? may she have been silting? may we have been silting? may you have been silting? may they have been silting?
Interro-negative form
Simple form
mayn't I silt? mayn't you silt? mayn't she silt? mayn't we silt? mayn't you silt? mayn't they silt?
V-ing form
mayn't I be silting? mayn't you be silting? mayn't she be silting? mayn't we be silting? mayn't you be silting? mayn't they be silting?
Perfect
mayn't I have silted? mayn't you have silted? mayn't she have silted? mayn't we have silted? mayn't you have silted? mayn't they have silted?
V-ing perfect
mayn't I have been silting? mayn't you have been silting? mayn't she have been silting? mayn't we have been silting? mayn't you have been silting? mayn't they have been silting?