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