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