I may shriek you may shriek he may shriek we may shriek you may shriek they may shriek
Forme en V-ing
I may be shrieking you may be shrieking he may be shrieking we may be shrieking you may be shrieking they may be shrieking
Perfect
I may have shrieked you may have shrieked he may have shrieked we may have shrieked you may have shrieked they may have shrieked
Perfect en V-ing
I may have been shrieking you may have been shrieking he may have been shrieking we may have been shrieking you may have been shrieking they may have been shrieking
Négation
Forme simple
I mayn't shriek you mayn't shriek he mayn't shriek we mayn't shriek you mayn't shriek they mayn't shriek
Forme en V-ing
I mayn't be shrieking you mayn't be shrieking he mayn't be shrieking we mayn't be shrieking you mayn't be shrieking they mayn't be shrieking
Perfect
I mayn't have shrieked you mayn't have shrieked he mayn't have shrieked we mayn't have shrieked you mayn't have shrieked they mayn't have shrieked
Perfect en V-ing
I mayn't have been shrieking you mayn't have been shrieking he mayn't have been shrieking we mayn't have been shrieking you mayn't have been shrieking they mayn't have been shrieking
Forme interrogative
Forme simple
may I shriek? may you shriek? may he shriek? may we shriek? may you shriek? may they shriek?
Forme en V-ing
may I be shrieking? may you be shrieking? may he be shrieking? may we be shrieking? may you be shrieking? may they be shrieking?
Perfect
may I have shrieked? may you have shrieked? may he have shrieked? may we have shrieked? may you have shrieked? may they have shrieked?
Perfect en V-ing
may I have been shrieking? may you have been shrieking? may he have been shrieking? may we have been shrieking? may you have been shrieking? may they have been shrieking?
Forme interro-négative
Forme simple
mayn't I shriek? mayn't you shriek? mayn't he shriek? mayn't we shriek? mayn't you shriek? mayn't they shriek?
Forme en V-ing
mayn't I be shrieking? mayn't you be shrieking? mayn't he be shrieking? mayn't we be shrieking? mayn't you be shrieking? mayn't they be shrieking?
Perfect
mayn't I have shrieked? mayn't you have shrieked? mayn't he have shrieked? mayn't we have shrieked? mayn't you have shrieked? mayn't they have shrieked?
Perfect en V-ing
mayn't I have been shrieking? mayn't you have been shrieking? mayn't he have been shrieking? mayn't we have been shrieking? mayn't you have been shrieking? mayn't they have been shrieking?