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