may collude
Regular verb: collude - colluded- colluded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may collude
you may collude
he may collude
we may collude
you may collude
they may collude 	I may be colluding
you may be colluding
he may be colluding
we may be colluding
you may be colluding
they may be colluding	I may have colluded
you may have colluded
he may have colluded
we may have colluded
you may have colluded
they may have colluded	I may have been colluding
you may have been colluding
he may have been colluding
we may have been colluding
you may have been colluding
they may have been colluding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't collude
you mayn't collude
he mayn't collude
we mayn't collude
you mayn't collude
they mayn't collude 	I mayn't be colluding
you mayn't be colluding
he mayn't be colluding
we mayn't be colluding
you mayn't be colluding
they mayn't be colluding	I mayn't have colluded
you mayn't have colluded
he mayn't have colluded
we mayn't have colluded
you mayn't have colluded
they mayn't have colluded	I mayn't have been colluding
you mayn't have been colluding
he mayn't have been colluding
we mayn't have been colluding
you mayn't have been colluding
they mayn't have been colluding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I collude?
may you collude?
may he collude?
may we collude?
may you collude?
may they collude? 	may I be colluding?
may you be colluding?
may he be colluding?
may we be colluding?
may you be colluding?
may they be colluding? 	may I have colluded?
may you have colluded?
may he have colluded?
may we have colluded?
may you have colluded?
may they have colluded? 	may I have been colluding?
may you have been colluding?
may he have been colluding?
may we have been colluding?
may you have been colluding?
may they have been colluding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I collude?
mayn't you collude?
mayn't he collude?
mayn't we collude?
mayn't you collude?
mayn't they collude? 	mayn't I be colluding?
mayn't you be colluding?
mayn't he be colluding?
mayn't we be colluding?
mayn't you be colluding?
mayn't they be colluding? 	mayn't I have colluded?
mayn't you have colluded?
mayn't he have colluded?
mayn't we have colluded?
mayn't you have colluded?
mayn't they have colluded? 	mayn't I have been colluding?
mayn't you have been colluding?
mayn't he have been colluding?
mayn't we have been colluding?
mayn't you have been colluding?
mayn't they have been colluding?