I may silt you may silt he may silt we may silt you may silt they may silt
V-ing form
I may be silting you may be silting he may be silting we may be silting you may be silting they may be silting
Perfect
I may have silted you may have silted he 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 he 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 he 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 he 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 he 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 he 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 he silt? may we silt? may you silt? may they silt?
V-ing form
may I be silting? may you be silting? may he be silting? may we be silting? may you be silting? may they be silting?
Perfect
may I have silted? may you have silted? may he 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 he 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 he 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 he 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 he 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 he have been silting? mayn't we have been silting? mayn't you have been silting? mayn't they have been silting?