may frogmarch
Regular verb: frogmarch - frogmarched- frogmarched

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