English verb conjugation
MAY FROGMARCH

Regular verb: frogmarch - frogmarched - frogmarched

Affirmation

Simple form	V-ing form
I may frogmarch you may frogmarch he may frogmarch we may frogmarch you may frogmarch they may frogmarch	I may be frogmarching you may be frogmarching he may be frogmarching we may be frogmarching you may be frogmarching they may be frogmarching
Perfect	V-ing perfect
I may have frogmarched you may have frogmarched he may have frogmarched we may have frogmarched you may have frogmarched they may have frogmarched	I may have been frogmarching you may have been frogmarching he may have been frogmarching we may have been frogmarching you may have been frogmarching they may have been frogmarching

Negation

Simple form	V-ing form
I mayn't frogmarch you mayn't frogmarch he mayn't frogmarch we mayn't frogmarch you mayn't frogmarch they mayn't frogmarch	I mayn't be frogmarching you mayn't be frogmarching he mayn't be frogmarching we mayn't be frogmarching you mayn't be frogmarching they mayn't be frogmarching
Perfect	V-ing perfect
I mayn't have frogmarched you mayn't have frogmarched he mayn't have frogmarched we mayn't have frogmarched you mayn't have frogmarched they mayn't have frogmarched	I mayn't have been frogmarching you mayn't have been frogmarching he mayn't have been frogmarching we mayn't have been frogmarching you mayn't have been frogmarching they mayn't have been frogmarching

Interrogative form

Simple form	V-ing form
may I frogmarch? may you frogmarch? may he frogmarch? may we frogmarch? may you frogmarch? may they frogmarch?	may I be frogmarching? may you be frogmarching? may he be frogmarching? may we be frogmarching? may you be frogmarching? may they be frogmarching?
Perfect	V-ing perfect
may I have frogmarched? may you have frogmarched? may he have frogmarched? may we have frogmarched? may you have frogmarched? may they have frogmarched?	may I have been frogmarching? may you have been frogmarching? may he have been frogmarching? may we have been frogmarching? may you have been frogmarching? may they have been frogmarching?

Interro-negative form

Simple form	V-ing form
mayn't I frogmarch? mayn't you frogmarch? mayn't he frogmarch? mayn't we frogmarch? mayn't you frogmarch? mayn't they frogmarch?	mayn't I be frogmarching? mayn't you be frogmarching? mayn't he be frogmarching? mayn't we be frogmarching? mayn't you be frogmarching? mayn't they be frogmarching?
Perfect	V-ing perfect
mayn't I have frogmarched? mayn't you have frogmarched? mayn't he have frogmarched? mayn't we have frogmarched? mayn't you have frogmarched? mayn't they have frogmarched?	mayn't I have been frogmarching? mayn't you have been frogmarching? mayn't he have been frogmarching? mayn't we have been frogmarching? mayn't you have been frogmarching? mayn't they have been frogmarching?