English verb conjugation
MAY KEYPUNCH

Regular verb: keypunch - keypunched - keypunched

Affirmation

Simple form	V-ing form
I may keypunch you may keypunch he may keypunch we may keypunch you may keypunch they may keypunch	I may be keypunching you may be keypunching he may be keypunching we may be keypunching you may be keypunching they may be keypunching
Perfect	V-ing perfect
I may have keypunched you may have keypunched he may have keypunched we may have keypunched you may have keypunched they may have keypunched	I may have been keypunching you may have been keypunching he may have been keypunching we may have been keypunching you may have been keypunching they may have been keypunching

Negation

Simple form	V-ing form
I mayn't keypunch you mayn't keypunch he mayn't keypunch we mayn't keypunch you mayn't keypunch they mayn't keypunch	I mayn't be keypunching you mayn't be keypunching he mayn't be keypunching we mayn't be keypunching you mayn't be keypunching they mayn't be keypunching
Perfect	V-ing perfect
I mayn't have keypunched you mayn't have keypunched he mayn't have keypunched we mayn't have keypunched you mayn't have keypunched they mayn't have keypunched	I mayn't have been keypunching you mayn't have been keypunching he mayn't have been keypunching we mayn't have been keypunching you mayn't have been keypunching they mayn't have been keypunching

Interrogative form

Simple form	V-ing form
may I keypunch? may you keypunch? may he keypunch? may we keypunch? may you keypunch? may they keypunch?	may I be keypunching? may you be keypunching? may he be keypunching? may we be keypunching? may you be keypunching? may they be keypunching?
Perfect	V-ing perfect
may I have keypunched? may you have keypunched? may he have keypunched? may we have keypunched? may you have keypunched? may they have keypunched?	may I have been keypunching? may you have been keypunching? may he have been keypunching? may we have been keypunching? may you have been keypunching? may they have been keypunching?

Interro-negative form

Simple form	V-ing form
mayn't I keypunch? mayn't you keypunch? mayn't he keypunch? mayn't we keypunch? mayn't you keypunch? mayn't they keypunch?	mayn't I be keypunching? mayn't you be keypunching? mayn't he be keypunching? mayn't we be keypunching? mayn't you be keypunching? mayn't they be keypunching?
Perfect	V-ing perfect
mayn't I have keypunched? mayn't you have keypunched? mayn't he have keypunched? mayn't we have keypunched? mayn't you have keypunched? mayn't they have keypunched?	mayn't I have been keypunching? mayn't you have been keypunching? mayn't he have been keypunching? mayn't we have been keypunching? mayn't you have been keypunching? mayn't they have been keypunching?