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