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