may excogitate
Regular verb: excogitate - excogitated- excogitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may excogitate
you may excogitate
she may excogitate
we may excogitate
you may excogitate
they may excogitate 	I may be excogitating
you may be excogitating
she may be excogitating
we may be excogitating
you may be excogitating
they may be excogitating	I may have excogitated
you may have excogitated
she may have excogitated
we may have excogitated
you may have excogitated
they may have excogitated	I may have been excogitating
you may have been excogitating
she may have been excogitating
we may have been excogitating
you may have been excogitating
they may have been excogitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't excogitate
you mayn't excogitate
she mayn't excogitate
we mayn't excogitate
you mayn't excogitate
they mayn't excogitate 	I mayn't be excogitating
you mayn't be excogitating
she mayn't be excogitating
we mayn't be excogitating
you mayn't be excogitating
they mayn't be excogitating	I mayn't have excogitated
you mayn't have excogitated
she mayn't have excogitated
we mayn't have excogitated
you mayn't have excogitated
they mayn't have excogitated	I mayn't have been excogitating
you mayn't have been excogitating
she mayn't have been excogitating
we mayn't have been excogitating
you mayn't have been excogitating
they mayn't have been excogitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I excogitate?
may you excogitate?
may she excogitate?
may we excogitate?
may you excogitate?
may they excogitate? 	may I be excogitating?
may you be excogitating?
may she be excogitating?
may we be excogitating?
may you be excogitating?
may they be excogitating? 	may I have excogitated?
may you have excogitated?
may she have excogitated?
may we have excogitated?
may you have excogitated?
may they have excogitated? 	may I have been excogitating?
may you have been excogitating?
may she have been excogitating?
may we have been excogitating?
may you have been excogitating?
may they have been excogitating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I excogitate?
mayn't you excogitate?
mayn't she excogitate?
mayn't we excogitate?
mayn't you excogitate?
mayn't they excogitate? 	mayn't I be excogitating?
mayn't you be excogitating?
mayn't she be excogitating?
mayn't we be excogitating?
mayn't you be excogitating?
mayn't they be excogitating? 	mayn't I have excogitated?
mayn't you have excogitated?
mayn't she have excogitated?
mayn't we have excogitated?
mayn't you have excogitated?
mayn't they have excogitated? 	mayn't I have been excogitating?
mayn't you have been excogitating?
mayn't she have been excogitating?
mayn't we have been excogitating?
mayn't you have been excogitating?
mayn't they have been excogitating?