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